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Results for “Ovulation Detection”

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At least 793 records · Page 44Linked to original sources
PubMed1988

Value of subcutaneous fat in predicting ovulation day.

Subcutaneous body fat and Quetelet's Indices (QI) of 52, 18-29 year old normal female volunteers were determined. These body mass indices were then grouped according to the phase of each subject's menstrual cycle, early or late follicular and early or late luteal phase. The subcutaneous body fat is 27.07 +or- 1.0% in the early follicular but drops to 24.68 +or- 1.84% in the late follicular phase. The value then rises significantly higher than that in the late follicular phase to 30.14 +or- 1.15% (P0.02) in the early luteal drops to 27.17 +or- 0.55% towards the level of the early follicular phase (P0.05). Variations in the values of QI during each menstrual cycle exactly mirror those for subcutaneous body fat. The fall in the 2 body mass indices during the late follicular phase coincides somewhat with the established preovulatory LH and FSH surges as well as the high levels of estrogen of this period. On the other hand the significant rise in the 2 parameters during the early luteal phase coincides with the marked rise in the ratio of progesterone to estrogen. Clearly, increased levels of progesterone relative to estrogen appear to cause an increase in the body fat during each menstrual cycle. The implication of this finding for women on contraceptive pills which are predominantly progesterone and those whose normal menstrual cycle is "interrupted" at the early luteal phase by a successful fertilization raises very interesting questions with regards to prediction of ovulation.

Anthropometry↗
PubMed1990

Breast-feeding and return to fertility: clinical evidence from Pakistan, Philippines and Thailand.

The author reports on studies of the relationship between breast-feeding and fertility in Pakistan, the Philippines, and Thailand. "The accumulated evidence suggests that during the first six months of unsupplemented breast-feeding, if the mother remains amenorrheic, then the breast-feeding stimulus is usually sufficient to postpone the recovery of fertility. Breast-feeding frequency alone is not a useful measure of the breast-feeding stimulus in terms of its ability to predict the return of menses or ovulation."

Amenorrhea↗