OBJECTIVE Brain volume of boys is larger than that of girls by approximately 10%. Prenatal exposure to testosterone has been suggested in the masculinization of the brain. For example, in litter-bearing mammals intrauterine position increases prenatal testosterone exposure through adjacent male fetuses, resulting in masculinization of brain morphology. DESIGN The influence of intrauterine pre...

Female moles of the Old World genus Talpa display a curious suite of reproductive features that include a peniform clitoris and ovaries with a discrete interstitial gland or testis-like region (so-called 'ovotestes'). The masculinization of the female external genitalia in Talpa has accordingly been linked with secretion of androgens from the interstitial gland region of the fetal gonad. Althou...

Since amartya Sen published his pathbreaking research on the “missing women” of asia two decades ago (Sen 1989, 1990), the distorted sex ratio at birth and consequent masculinization of asian societies have become a growing focus of scholarly and media attention. across east, South, and even west asia, the masculinization of sex ratios has been proceeding at a pace unprecedented in recorded his...

Gynecomastia is a common finding in males. Clinical aspect varies widely world populations showing peculiar hallmarks according to different body shapes reflecting personal expectations; therefore, surgical plan must be tailored on individual basis all type of patients. A total 522 patients, treated for bilateral gynecomastia from January 2007 2019, were included and reviewed this retrospective...

Masculinization and feminization of rat sexual behavior has been supposed to occur during a short postnatal period. However, much data have made it evident that these processes may continue until adolescence. In the present study, we evaluated whether androgen treatment females from day 20 onwards could alter motivation in male direction. Juveniles were ovariectomized on concurrently implanted ...