Paramesonephric (Mullerian) ducts form.
Larsen WJ. 1997. Human Embryology. New York: Churchill Livingstone Inc.
Thickening of the thoracic region (mammary crest), forms a 4-6 cell wide ridge. The rest of the milk streak begins to involute.
Duration: 1 week
Gusterson BA, Stein T. 2012. Human breast development. Seminars in Cell and Developmental Biology 23(5):567-573.
Oocytes have the capacity to undergo meiosis, but meiosis is not yet initiated.
Rabinovici J, Jaffe RB. 1990. Development and regulation of growth and differentiated function in human and subhumand primate fetal gonads. Endocrine Reviews 11(4):532-557.