{"id":1379,"date":"2025-05-29T21:04:02","date_gmt":"2025-05-29T19:04:02","guid":{"rendered":"https:\/\/rxquora.com\/en\/?p=1379"},"modified":"2025-09-21T18:57:32","modified_gmt":"2025-09-21T16:57:32","slug":"pregnancy-weeks-how-your-baby-develops-week-by-week","status":"publish","type":"post","link":"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/","title":{"rendered":"Pregnancy Weeks: How Your Baby Develops Week by Week"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Pregnancy is one of the most miraculous journeys of life. It spans around 40 weeks and is divided into three trimesters. During this time, your body nurtures a tiny fertilized egg until it grows into a fully developed baby. Each week brings exciting changes and developments. In this detailed guide, we\u2019ll walk you through <strong>how your baby develops week by week<\/strong>, highlighting what\u2019s happening inside your womb and how you might feel at each stage.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understanding_Pregnancy_Stages\"><\/span><strong>Understanding Pregnancy Stages<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Understanding_Pregnancy_Stages\" >Understanding Pregnancy Stages<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#First_Trimester_Weeks_1_to_12_The_Foundation\" >First Trimester (Weeks 1 to 12): The Foundation<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_1%E2%80%932_Pre-conception_Phase\" >Week 1\u20132: Pre-conception Phase<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_3_Fertilization\" >Week 3: Fertilization<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_4_Implantation\" >Week 4: Implantation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_5_Heartbeat_Begins\" >Week 5: Heartbeat Begins<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_6_Major_Organ_Development\" >Week 6: Major Organ Development<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_7%E2%80%938_Facial_Features_and_Brain_Growth\" >Week 7\u20138: Facial Features and Brain Growth<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_9%E2%80%9310_Fetus_Formation\" >Week 9\u201310: Fetus Formation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_11%E2%80%9312_First_Trimester_Wrap-up\" >Week 11\u201312: First Trimester Wrap-up<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Second_Trimester_Weeks_13_to_26_Growth_and_Activity\" >Second Trimester (Weeks 13 to 26): Growth and Activity<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_13%E2%80%9314_Babys_Movements_Begin\" >Week 13\u201314: Baby\u2019s Movements Begin<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_15%E2%80%9316_Gender_Reveal_Time\" >Week 15\u201316: Gender Reveal Time<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_17%E2%80%9318_Hearing_Develops\" >Week 17\u201318: Hearing Develops<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_19%E2%80%9320_Halfway_Mark\" >Week 19\u201320: Halfway Mark<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_21%E2%80%9322_Taste_Buds_and_Sleep_Cycles\" >Week 21\u201322: Taste Buds and Sleep Cycles<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_23%E2%80%9324_Viability_Milestone\" >Week 23\u201324: Viability Milestone<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_25%E2%80%9326_Response_to_Touch_and_Sound\" >Week 25\u201326: Response to Touch and Sound<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Third_Trimester_Weeks_27_to_40_Final_Preparations\" >Third Trimester (Weeks 27 to 40): Final Preparations<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_27%E2%80%9328_Opening_Eyes\" >Week 27\u201328: Opening Eyes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_29%E2%80%9330_Muscles_and_Lungs_Develop\" >Week 29\u201330: Muscles and Lungs Develop<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_31%E2%80%9332_Sleep_Cycles_and_Dreaming\" >Week 31\u201332: Sleep Cycles and Dreaming<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_33%E2%80%9334_Practicing_Breathing\" >Week 33\u201334: Practicing Breathing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_35%E2%80%9336_Head_Engagement\" >Week 35\u201336: Head Engagement<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_37%E2%80%9338_Full-Term\" >Week 37\u201338: Full-Term<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Week_39%E2%80%9340_Time_to_Arrive\" >Week 39\u201340: Time to Arrive<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Key_Developmental_Milestones_Table\" >Key Developmental Milestones Table<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#What_Should_You_Do_Each_Week\" >What Should You Do Each Week?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#Final_Thoughts_A_Journey_of_Wonder\" >Final Thoughts: A Journey of Wonder<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/#FAQs\" >FAQs<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<p class=\"wp-block-paragraph\">Before diving into the weekly progress, it\u2019s essential to understand how pregnancy is calculated:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Week 1 to 2<\/strong>: Technically, you&#8217;re not pregnant yet! These weeks are counted from the first day of your last menstrual period (LMP).<\/li>\n\n\n\n<li><strong>Week 3 onwards<\/strong>: This is when conception typically occurs, and fetal development begins.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pregnancy is usually divided into:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>First Trimester<\/strong>: Weeks 1\u201312<\/li>\n\n\n\n<li><strong>Second Trimester<\/strong>: Weeks 13\u201326<\/li>\n\n\n\n<li><strong>Third Trimester<\/strong>: Weeks 27\u201340<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"First_Trimester_Weeks_1_to_12_The_Foundation\"><\/span><strong>First Trimester (Weeks 1 to 12): The Foundation<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_1%E2%80%932_Pre-conception_Phase\"><\/span><strong>Week 1\u20132: Pre-conception Phase<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Your body prepares for ovulation and fertilization.<\/li>\n\n\n\n<li>The uterine lining thickens to support a potential embryo.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_3_Fertilization\"><\/span><strong>Week 3: Fertilization<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sperm meets egg in the fallopian tube\u2014fertilization occurs.<\/li>\n\n\n\n<li>The zygote forms and begins rapid cell division.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_4_Implantation\"><\/span><strong>Week 4: Implantation<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The blastocyst embeds into the uterine lining.<\/li>\n\n\n\n<li>Hormones like hCG begin rising, confirming pregnancy.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_5_Heartbeat_Begins\"><\/span><strong>Week 5: Heartbeat Begins<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The embryo is the size of a sesame seed.<\/li>\n\n\n\n<li>The heart and circulatory system start forming.<\/li>\n\n\n\n<li>Early symptoms like nausea, fatigue, and breast tenderness begin.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_6_Major_Organ_Development\"><\/span><strong>Week 6: Major Organ Development<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Limb buds appear.<\/li>\n\n\n\n<li>Eyes, ears, and neural tube continue developing.<\/li>\n\n\n\n<li>You may experience morning sickness more prominently.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_7%E2%80%938_Facial_Features_and_Brain_Growth\"><\/span><strong>Week 7\u20138: Facial Features and Brain Growth<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The embryo is about the size of a blueberry.<\/li>\n\n\n\n<li>Facial features become more defined.<\/li>\n\n\n\n<li>Brain and spinal cord develop rapidly.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_9%E2%80%9310_Fetus_Formation\"><\/span><strong>Week 9\u201310: Fetus Formation<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The embryo becomes a fetus.<\/li>\n\n\n\n<li>Major organs are formed and starting to function.<\/li>\n\n\n\n<li>Fingernails and tiny limbs become visible.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_11%E2%80%9312_First_Trimester_Wrap-up\"><\/span><strong>Week 11\u201312: First Trimester Wrap-up<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Baby is about 2 inches long.<\/li>\n\n\n\n<li>External genitalia begin to form.<\/li>\n\n\n\n<li>Risk of miscarriage drops significantly after Week 12.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Second_Trimester_Weeks_13_to_26_Growth_and_Activity\"><\/span><strong>Second Trimester (Weeks 13 to 26): Growth and Activity<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_13%E2%80%9314_Babys_Movements_Begin\"><\/span><strong>Week 13\u201314: Baby\u2019s Movements Begin<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The fetus is about 3 inches long.<\/li>\n\n\n\n<li>Bones start hardening, and baby\u2019s movements become more coordinated (though you may not feel them yet).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_15%E2%80%9316_Gender_Reveal_Time\"><\/span><strong>Week 15\u201316: Gender Reveal Time<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Eyelashes and eyebrows develop.<\/li>\n\n\n\n<li>Genitals are visible via ultrasound.<\/li>\n\n\n\n<li>You may start showing a small baby bump.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_17%E2%80%9318_Hearing_Develops\"><\/span><strong>Week 17\u201318: Hearing Develops<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The fetus begins to hear sounds from the outside world.<\/li>\n\n\n\n<li>The skeleton changes from soft cartilage to bone.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_19%E2%80%9320_Halfway_Mark\"><\/span><strong>Week 19\u201320: Halfway Mark<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vernix (protective coating) forms on the baby\u2019s skin.<\/li>\n\n\n\n<li><strong>You may feel the first fluttering movements<\/strong>, known as \u201cquickening.\u201d<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_21%E2%80%9322_Taste_Buds_and_Sleep_Cycles\"><\/span><strong>Week 21\u201322: Taste Buds and Sleep Cycles<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Baby develops taste buds and swallows amniotic fluid.<\/li>\n\n\n\n<li>Starts establishing sleep-wake patterns.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_23%E2%80%9324_Viability_Milestone\"><\/span><strong>Week 23\u201324: Viability Milestone<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The baby can survive with intensive care if born early (viability age).<\/li>\n\n\n\n<li>Lungs are forming but not fully functional.<\/li>\n\n\n\n<li>You may experience Braxton Hicks contractions.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_25%E2%80%9326_Response_to_Touch_and_Sound\"><\/span><strong>Week 25\u201326: Response to Touch and Sound<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Eyes begin to open.<\/li>\n\n\n\n<li>Baby can respond to your voice and light.<\/li>\n\n\n\n<li>Fat layers start building up under the skin.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Third_Trimester_Weeks_27_to_40_Final_Preparations\"><\/span><strong>Third Trimester (Weeks 27 to 40): Final Preparations<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_27%E2%80%9328_Opening_Eyes\"><\/span><strong>Week 27\u201328: Opening Eyes<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Baby begins blinking.<\/li>\n\n\n\n<li>Brain continues to grow rapidly.<\/li>\n\n\n\n<li>You may feel stronger and more frequent kicks.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_29%E2%80%9330_Muscles_and_Lungs_Develop\"><\/span><strong>Week 29\u201330: Muscles and Lungs Develop<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Muscle tone improves.<\/li>\n\n\n\n<li>Lungs begin producing surfactant to help breathing after birth.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_31%E2%80%9332_Sleep_Cycles_and_Dreaming\"><\/span><strong>Week 31\u201332: Sleep Cycles and Dreaming<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Baby may start experiencing REM sleep\u2014possibly dreaming.<\/li>\n\n\n\n<li>Body fat continues accumulating.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_33%E2%80%9334_Practicing_Breathing\"><\/span><strong>Week 33\u201334: Practicing Breathing<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Baby practices breathing movements.<\/li>\n\n\n\n<li>Skull remains soft and flexible for delivery.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_35%E2%80%9336_Head_Engagement\"><\/span><strong>Week 35\u201336: Head Engagement<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Baby may move down into the pelvis (lightening).<\/li>\n\n\n\n<li>Space in the womb is tight\u2014movements may feel like rolling.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_37%E2%80%9338_Full-Term\"><\/span><strong>Week 37\u201338: Full-Term<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Baby\u2019s organs are fully developed.<\/li>\n\n\n\n<li>Skin is pink and smooth.<\/li>\n\n\n\n<li>Baby is ready for life outside the womb.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Week_39%E2%80%9340_Time_to_Arrive\"><\/span><strong>Week 39\u201340: Time to Arrive<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Baby weighs 6\u20139 pounds and measures 18\u201321 inches.<\/li>\n\n\n\n<li>Most babies are born between Weeks 39 and 41.<\/li>\n\n\n\n<li>You may notice signs of labor: water breaking, contractions, back pain.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Developmental_Milestones_Table\"><\/span><strong>Key Developmental Milestones Table<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Week<\/th><th>Baby\u2019s Size<\/th><th>Key Development<\/th><\/tr><\/thead><tbody><tr><td>5<\/td><td>Sesame Seed<\/td><td>Heartbeat starts<\/td><\/tr><tr><td>10<\/td><td>Strawberry<\/td><td>Major organs formed<\/td><\/tr><tr><td>20<\/td><td>Banana<\/td><td>First real movements felt<\/td><\/tr><tr><td>24<\/td><td>Ear of Corn<\/td><td>Viability age reached<\/td><\/tr><tr><td>30<\/td><td>Cabbage<\/td><td>Brain and lungs maturing<\/td><\/tr><tr><td>36<\/td><td>Honeydew<\/td><td>Baby drops into pelvis<\/td><\/tr><tr><td>40<\/td><td>Watermelon<\/td><td>Fully developed and ready for birth<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Should_You_Do_Each_Week\"><\/span><strong>What Should You Do Each Week?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Monitor Symptoms<\/strong>: Keep track of anything unusual\u2014bleeding, severe cramps, or fever should be reported.<\/li>\n\n\n\n<li><strong>Stay Hydrated &amp; Eat Well<\/strong>: A balanced diet helps both you and baby thrive.<\/li>\n\n\n\n<li><strong>Attend Prenatal Appointments<\/strong>: Vital for monitoring <a href=\"https:\/\/rxquora.com\/en\/lacson-syrup-uses-side-effects-precautions\/\" data-type=\"link\" data-id=\"https:\/\/rxquora.com\/en\/lacson-syrup-uses-side-effects-precautions\/\">fetal growth<\/a> and maternal health.<\/li>\n\n\n\n<li><strong>Prepare for Labor<\/strong>: Take childbirth classes and plan your hospital bag.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Final_Thoughts_A_Journey_of_Wonder\"><\/span><strong>Final Thoughts: A Journey of Wonder<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pregnancy is an awe-inspiring transformation for both mother and baby. While every woman\u2019s experience is unique, understanding how your baby develops week by week can help you feel more connected, informed, and prepared.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Whether you\u2019re tracking tiny heartbeats, feeling your baby\u2019s kicks, or counting down to your due date, every stage is a beautiful milestone. Embrace the journey with love, care, and joy.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span><strong>FAQs<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. When does the baby\u2019s heart start beating?<\/strong><br>By around week 5 or 6, a heartbeat can be detected via ultrasound.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. When can I feel my baby move?<\/strong><br>First-time moms usually feel movements around 18\u201320 weeks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Is it normal to deliver before 40 weeks?<\/strong><br>Yes, full-term is considered 37\u201342 weeks. Some babies arrive earlier or later.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. What if I don\u2019t feel the baby moving?<\/strong><br>After 24 weeks, consult your doctor if you don\u2019t feel regular movements.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>Pregnancy is one of the most miraculous journeys of life. It spans around 40 weeks and is divided into three trimesters. During this time, your body nurtures a tiny fertilized egg until it grows into a fully developed baby. Each week brings exciting changes and developments. In this detailed guide, we\u2019ll walk you through how &#8230; <a title=\"Pregnancy Weeks: How Your Baby Develops Week by Week\" class=\"read-more\" href=\"https:\/\/rxquora.com\/en\/pregnancy-weeks-how-your-baby-develops-week-by-week\/\" aria-label=\"Read more about Pregnancy Weeks: How Your Baby Develops Week by Week\">Read more<\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1379","post","type-post","status-publish","format-standard","hentry","category-weeks-of-pregnancy"],"_links":{"self":[{"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/posts\/1379","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/comments?post=1379"}],"version-history":[{"count":0,"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/posts\/1379\/revisions"}],"wp:attachment":[{"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/media?parent=1379"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/categories?post=1379"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rxquora.com\/en\/wp-json\/wp\/v2\/tags?post=1379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}