Sentences with phrase «dominant follicle»

Noting that high estrogen concentrations are «a defining characteristic of dominant follicles,» Dr. Denis Magoffin (Ceders - Sinai Medical Center, Los Angeles, California, USA) and co-investigators examined whether abnormal expression of ERs could contribute to poor follicular development and ovulatory failure in women with PCOS.

But during that cycle, only one dominant follicle matures completely to release the oocyte contained within it.

In this study, by canceling the cycle if three or more dominant follicles developed or estradiol levels were higher than 1500 pg / ml, they were able to keep the multiple pregnancy rate a low 2.6 %.

In the classic textbook scenario, a woman's ovaries develop a cluster of three to 12 egg - carrying follicles early in a menstrual cycle, and one dominant follicle eventually ripens and releases an egg into the fallopian tube.

ER - beta mRNA expression was higher in small antral than in dominant follicles from the control ovaries, and was observed at an intermediate level in PCOS follicles.

Interestingly, however, ER - beta protein was detected at similar levels in the PCOS follicles and control dominant follicles.

A dominant follicle matures.

Research shows that, for most women, ovulation occurs 5 - 7 days after the dominant follicle is selected.

This second «Cue Peak» (which would have occurred 5 - 7 days prior to the purple day) may indicate that a secondary follicle was selected, perhaps due to the inability of the dominant follicle to mature and / or rupture.

As its name implies, FSH stimulates a selected group of follicles each month to begin the process of moving through the pre-ovulatory development phases with one of these lucky contestants emerging in the end as the dominant follicle.

Throughout these reproductive years of our lives, for every one dominant follicle we select, we lose, on average, 1,000 primordial follicles!

Out of this group, one follicle (the dominant follicle) is selected each month to proceed to the pre-ovulatory stage while the rest undergo atresia.

The ovaries have selected the dominant follicle by now and with an intricate interplay of hormones the follicle bursts open releasing the egg to the fallopian tube.

Right before ovulation there is a surge of LH and this causes the dominant follicle to burst open and release its egg into the fallopian tube.

Multiple follicular stimulation can occur if the dominant follicle does not mature or rupture as expected (perhaps due to a timing issue with the secretion of luteinizing hormone or some other hormone imbalance).

Lockwood G.M, Muttukrishna S, Groome N.P, Matthews D.R, Ledger W.L, Mid-follicular phase pulses of inhibin B are absent in polycystic ovarian syndrome and are initiated by successful laparoscopic ovarian diathermy: a possible mechanism regulating emergence of the dominant follicle, Journal of Clinical Endocrinology & Metabolism, 1998.

When the dominant follicle is selected, the OvaCue ® will identify a Cue Peak in your oral readings, and can then predict out your fertile window for 5 - 7 days in the future.

The second Cue Peak indicates that a second follicle was selected during the cycle, perhaps due to a problem with the dominant follicle.

In a typical, 28 - day cycle, the selection of the dominant follicle occurs approximately 5 - 7 days before ovulation.

By tracking the changes in the concentration of electrolytes in your saliva, the OvaCue ® Fertility Monitor is able to detect the hormonal changes that coincide with the selection of the dominant follicle.

When these follicles finally reach the beginning of the 28 - day cycle that they have been preparing for, they will compete for follicle - stimulating hormone to become the dominant follicle.