Embryonic period of development is:
Stages of Prenatal development 1. Germinal stage (0-2 weeks) : Thegerminal stageis the period of gestation from feilization or conception, when the egg meets the sperm, to implantation of the embryo in the uterus 2 Embryonic Stage (3-8 weeks) : Embryonic period extends from beginning of the third week to the end of eighth week of intrauterine life. 3 Fetal Stage (9 weeks to bih) : Once cell differentiation is mostly complete, the embryo enters the next stage and becomes known as a fetus. The fetal period of prenatal development marks more impoant changes in the brain. This period of development begins during the ninth week and lasts until bih.
Up to 16 weeks
Up to 12 weeks
Up to 10 weeks
Up to 8 weeks
Development period- week 1,2,3,4