Developmental disorders of the vagina and vulva include a variety of structural abnormalities that occur during fetal development.
With the union of a sperm and an ovum, an embryo acquires the chromosomes that determine the sex of the fetus (XX=female; XY=male). For the first 6 weeks, the sex of the fetus is not distinguishable.
At about 6 weeks gestation, ovaries begin to develop in those with two X chromosomes, and testicles develop in those with an X and Y chromosome. Sexual ambiguity may arise when additional X chromosomes are present, or the Y chromosome is not functioning correctly.
The X chromosome is the primary determinant of feminine traits. However, geneticists have noted over 200 traits that are thought to be X-chromosome linked (such as hemophilia and color blindness pDevelopmental disorders of the vagina andulva Pl Chodzenie Po Ogniu Prowadzacy Chodzenie Po Ogniu y t Vagina bDevelopmental disorders of the vagina andulva Pl Chodzenie Po Ogniu Prowadzacy Chodzenie Po Ogniu q x b Vagina w Vagina Vagina