Which of the following lasts the longest?
A) organogenesis
B) the germinal period
C) the last trimester
D) the fetal period

Question

Quizplus · Accepted Answer

The fetal period is the longest stage of prenatal development lasting from around the 9th week after fertilization until birth, which can be around 38-42 weeks depending on gestation. The other options are: A) organogenesis is the formation of organs during the embryonic stage, which occurs from week 3-8 after fertilization, B) the germinal period is the initial stage of prenatal development from conception to week 2, and C) the last trimester is the period from week 28 of gestation until birth, which is shorter than the fetal period.

Which of the Following Lasts the Longest