--- title: "Three Trimesters of Pregnancy: Fetal Development Milestones" date: 2014-12-02T03:00:00-05:00 author: Courtney Flickinger canonical_url: "https://www.americordblood.com/articles/milestones-in-fetal-development" section: Articles --- ![A mother's hands gently cradle a baby's tiny feet.](https://assets.americordblood.com/transforms/blogs/8456/holding-baby-feet-heart-shape-hands-americord_2023-10-13-001256_hghl_dcd4b851eab0fdc82c7554dc6e8ca81c.jpg) [ Pregnancy & Parenting ](https://www.americordblood.com/articles/pregnancy-parenting) 0 Min Read # Three Trimesters of Pregnancy: Fetal Development Milestones Parenthood is a cherished step some choose to take in life. The moment you find out you’re expecting, you find yourself filled with joy and maybe a bit of nerves as your life changes. But what exactly is happening inside the womb as you await the arrival of your child, and what milestones can you expect for the fetus? Throughout your pregnancy, your child will develop from a simple egg to a baby. There are many [fetal development milestones](https://www.americordblood.com/) your child will meet, starting at the time of [fertilization to delivery](https://www.visiblebody.com/learn/reproductive/reproductive-process), including developing a heartbeat during the first trimester and growing a full head of hair in the third trimester. The following infographic gives you an inside look at the milestones the baby will reach as your pregnancy develops. Continue reading to discover what you can expect in each of the three trimesters. ![An image illustrating the important milestones reached during fetal development, providing a concise overview of the various stages.](https://assets.americordblood.com/transforms/blogs/10358/milestones-fetal-development-blog-americord_798208f80960a64be1fb71800f1001dd.png) ![Call to action guiding readers to download the Americord info guide to prepare for their family's future.](https://assets.americordblood.com/transforms/blogs/110628/prepare-for-future-info-guide-americord_be7aaffd48750bec4e355d7110544d3f.png) *The views, statements, and pricing expressed are deemed reliable as of the published date. 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[ Read More ](https://www.americordblood.com/articles/health-and-safety-tips-the-pregnancy-myths-your-mom-told-you-debunked) [ ![Expectant mother declining wine being offered to her.](https://assets.americordblood.com/transforms/blogs/8364/wine-during-pregnancy-guide-americord_41a4f2ed037c5ad51696884668d44cc6.png) ](https://www.americordblood.com/articles/wine-pregnancy) [### Wine During Pregnancy: Facts, Risks & Myths Debunked ](https://www.americordblood.com/articles/wine-pregnancy)Drinking wine during pregnancy isn't just frowned upon, it's highly discouraged. Here are all the facts, ricks, and myths debunked to keep you and baby safe! [ Read More ](https://www.americordblood.com/articles/wine-pregnancy)