TREATMENT was begun immediately after birth. The ovaries became atrophic, and
epithelial tubules developed in large numbers in their medulla. The uterus was thin and …

TESTOSTERONE propionate was injected subcutaneously into pregnant or newborn♀♀.
The urogenital organs are described. Injections on the 9th day of pregnancy resulted in …

MASCULINISATION of infantile♀ rats by either urinary gonadotropin or testosterone
propionate results in continuous vaginal oestrus in adult life. The ovaries contain follicles …

In studying the effects of sex hormones on sexual differentiation in the rat, the present
authors have noted that the degree of masculinization caused by androgens depends on the …

TESTOSTERONE propionate, injected subcutaneoiisly into pregnant rats, results in a high%
of fetal death. Sexual differentiation of♀♀, on the 20th day post-coitum, is modified by …

Summary and Conclusions Each of 3 adult female rabbits, 8 1/2-15 1/2 months of age, was
injected subcutaneously with testosterone propionate, 1 mg per day. Masculinization of the …

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Sixty-seven intersexed rats, produced by injecting the pregnant rat with testosterone, have
been examined. Testosterone given to the pregnant rat may in some instances arrest the …

DAILY administration of 500 γ of testosterone propionate to pregnant rats delayed parturition
if started in the latter days of pregnancy, or inhibited it and prevented fetal development if …

Butenandt and Kudzus (1) have noted that certain androgens, when injected into immature
female rats, cause premature opening of the vagina. This observation has been interpreted …