This paper has demonstrated that neonatal androgenization increases in prepuberal male and female rats the FSH-levels without changes in LH, indicating that the sexual differences in the control of FSH is a relevant process that takes place during the differentiation of the hypothalamus.
Supported by a grant from the Consejo Nacional de Investigaciones Cientificas y Técnicas, Rep. Argentina.
Acknowledgment. We are grateful to NIAMD, Rat Pituitary Program, for the reagents for the radioimmunoassays.