The Prenatal Period Begins with the ____ and Ends After

Question

The prenatal period begins with the ____ and ends after ______.  
A) zygote; birth
B) blastocyst; gastrula
C) embryo; fetus
D) fetus; infant
E) zygote; fetus

Accepted Answer

The prenatal period starts with the formation of a zygote (the initial cell formed when a sperm cell fuses with an egg cell) and ends after birth, encompassing the entire development process in the womb.