Table 2.

Summary of the effects of prenatal androgens on selected behavioral and structural endpoints incorporating the role of aromatization and the timing of the prenatal treatment.

Endpoint	Organizational Effect Masculinized (M) Defeminized (D) Unaffected (U)	Type of Prenatal Androgen Aromatizable (A) Non-aromatizable (N)	Effective Prenatal Treatment Period Early - Before d84 Late - After d84
External Genitalia	M and D	A or N	Early only
Juvenile Behaviors
Infant Interest	U	A or N	Early or Late
Mounting Behaviors	M	A or N	Early or Late
Rough Play	M	A or N	Late only
Vocalizations	M and D	A (N not tested)	Early or Late
Adult Behaviors
Mounting Behaviors	M	A or N	Early + Late (not tested separately)
Presenting Behaviors	U	A or N	Early + Late (not tested separately)
Proceptive Behaviors	D	A or N	Early + Late (not tested separately)