Archived from the original on 17 October Facts matter and Britannica Insights makes it easier to find them. Reviews in Endocrine and Metabolic Disorders. This determines the genetic sex of the embryo. Pregnancy tests - ultrasound Ultrasound is used during pregnancy to check the baby's development and to help pick up any abnormalities Some specific causes include: Disease clusters are rare but can cause community concern about the possible effects of exposure to environmental hazards
Late onset adrenal hyperplasia 46,XY or 46,XX.
Ovarian differentiation, for XX embryos, does not occur until approximately week 12 of gestation. Haemophilia All children with severe haemophilia are given preventative treatment with infusions of blood products before they have a bleed Birth defects screening and protection Egg freezing You can freeze your eggs for medical reasons or for reasons that are more to do with your life circumstances Sexual determination during embryo development A baby's sex is decided at conception. Archived from the original on 24 November