Does the fetal period or the last trimester last longer?


Does the fetal period or the last trimester last longer?

Dividing Pregnancy Into Trimesters

A human pregnancy lasts roughly nine months, or about 38 weeks after conception. Dividing the pregnancy into three trimesters of three months each makes it easy for a woman to keep track of how far along her pregnancy is.

Answer and Explanation: 1

Given that the fetal period of development starts during the first trimester and ends with the birth of the baby, it lasts must longer than the third trimester. During fetal development the organs that started growing in the embryo continue to develop, ensuring they are ready prior to birth.

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Fetal Development By Trimester: Timeline of Body Systems


Chapter 14 / Lesson 3

With each trimester, fetal development advances in order for it to grow into a health baby that will function and survive after birth. Discover more about fetal development, including the timeline of how fetal body systems develops within the three trimesters.

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