Research on the relationships between the hormones and sexual behavior has not been
pursued with the vigor justified by the biological, medical, and sociological importance of the …

Using various techniques developed as a result of fertility research, scientists are
experimenting with the possibility of sex control, the ability to determine whether a newborn …

Testosterone not only sustains male sexual behavior in castrated male rats and induces
male sexual responses in the female but also increases female responses (Whalen and …

A neuroendocrine component, the positive estrogen feedback effect, thought to be related to
sexual orientation and, indirectly, to sexual differentiation, was evaluated in healthy …

Sexual differentiation of reproductive and behavior patterns is largely effected by hormones
produced by the gonads. In many higher vertebrates, an integral part of this process is the …

The sexual behavior of rhesus monkeys in 15 male-female pairings was observed in both a
large and a small area during the follicular and luteal phases of the female's cycle. Males …

The injection of 100 μg of estradiol benzoate into female rats 96 hours after birth abolished
sexual receptivity in adulthood, even with estrogen and progesterone replacement after …

It will be noted that even in the 20 BU group the testes were smaller than normal. However,
they were over 3 times as large as those of the untreated controls and were turgid rather …

Four adult male rhesus monkeys were provided access individually to a group of receptive
females. Each male assumed dominance and engaged in frequent copulations. Plasma …

Sex hormones of the embryo affect ultimate sexual behavior in two ways: indirectly by their
control of morphogenesis of the genitalia and, experimenн tally, in some species at least …