No female of any species has been observed to perform CSD when not in breeding condition or otherwise treated with estradiol. It is also notable that progesterone has a clear inhibitory effect on CSD, which is perhaps not surprising given that in birds, progesterone levels are generally low ...
To assist in diagnosing female fertility problems that may occur from tumor or ovarian failure.Patient PreparationThere are no food, fluid, activity, or medication restrictions unless by medical direction.Normal FindingsMethod: Liquid chromatography/mass spectrometry. AgeConventional UnitsSI Units (...
On smooth surfaces, E(2) affected only alkaline phosphatase, but on rough surfaces, E(2) increased levels of osteocalcin, TGF-beta1, and PGE(2). These results show that normal adult human female osteoblasts are sensitive to surface microtopography and that E(2) can alter this response.doi:...
Combination hormonal contraceptives inhibit ovulation via a negative feedback mechanism on the hypothalamus, which alters the normal pattern of gonadotropin secretion of a follicle-stimulating hormone (FSH) and luteinizing hormone by the anterior pituitary. The follicular phase FSH and midcycle surge of ...
The objective of this study was to investigate the postnatal activation of the hypothalamic–pituitary–gonadal axis in female very-low-birth-weight infants. We performed serial measurements of gonadotropin and estradiol levels in urine samples of female very-low-birth-weight infants collected at 1 ...
Dempsey EW, Herz R, Young WC (1936) The experimental induction of oestrus (sexual receptivity) in the normal and ovariectomized guinea pig. Am J Physiol 116:201–209 Dudley CA, Jamieson TS, Moss RL (1982) Inhibition of lordosis behavior in the female rat by intraventricular infusion of pr...
Combination oral contraceptives inhibit ovulation via a negative feedback mechanism on the hypothalamus, which alters the normal pattern of gonadotropin secretion of a follicle-stimulating hormone (FSH) and luteinizing hormone by the anterior pituitary. The follicular phase FSH and midcycle surge of ...
The effects of long term testosterone administration on pulsatile luteinizing hormone secretion and on ovarian histology in eugonadal female to male transs... Polycystic ovarian disease (PCOD) is associated with elevated serum LH and (sub)normal FSH levels, while serum androgen levels are often ...
Estradiol may also be used as replacement therapy for female hypogonadism or pri- mary ovarian failure (p.2079). Replacement therapy ('add-back' therapy) may also be given to women in whom the pituitary-ovarian axis is suppressed by ther- apy with gonadorelin or its analogues. Estradiol ...
Estrogen administration leads to increased thyroid-binding globulin (TBG) levels. Women with normal thyroid function can compensate for the increased TBG by making more thyroid hormone, thus maintaining free T4 and T3 serum concentrations in the normal range. Women dependent on thyroid hormone replaceme...