Women’s Health Timeline - StoryMD
Women’s Health Timeline
Marvel and Pathology of a Woman’s Life from Conception to Advanced Age
Explore the journey

Embryonic and Fetal Development (9 months)

“Sex differentiation begins around the 6th week of gestation when the presence of two X chromosomes leads to the development of ovaries, which will later produce estrogen.”
—Moore, K.L., Persaud, T.V.N., & Torchia, M.G. (2018). The Developing Human: Clinically Oriented Embryology.