RT Book, Section A1 Chen, Min-Jye A1 Grumbach, Melvin M. A1 Karaviti, Lefkothea P. A2 Kline, Mark W. SR Print(0) ID 1182920495 T1 Normal Human Sex Differentiation T2 Rudolph's Pediatrics, 23e YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9781259588594 LK accesspediatrics.mhmedical.com/content.aspx?aid=1182920495 RD 2024/04/25 AB Human sexual development is a sequential process that involves the establishment of chromosomal and genetic sex in the zygote at conception, the formation of the bipotential gonads into testes or ovaries (sex determination), and the development of phenotypic sex (sex differentiation) of the genital tract and external genitalia. Divergent differentiation from the chromosomal sex is possible at each level of sexual development. In addition, gender identity may be established later in life and can be influenced by several prenatal and postnatal factors.