Quality Assessment

As described earlier in this chapter, FSH, LH, and estradiol levels fluctuate dramatically during the ovulatory cycle of a normal adult female. In an average 28-day cycle, FSH levels begin to rise by day three, stimulating the ovary to release estradiol and the pituitary to release LH. These hormones stimulate ovulation at mid-cycle and development of the corpus luteum for potential fertilization. Usually at midcycle, there is a peak of circulating FSH, LH, and estradiol concentrations as well as increased clinical signs of ovulation, such as a slight increase in basal body temperature and cervical mucus production. It is generally a complex interaction of hormones and physical changes that allow for ovulation and then fertilization of an oocyte by sperm. Fertility testing involves assessing many of these aspects. Test Methodologies 12-4 and 12-5 describe methods of analysis for LH and FSH, respectively.

100 Pregnancy Tips

100 Pregnancy Tips

Prior to planning pregnancy, you should learn more about the things involved in getting pregnant. It involves carrying a baby inside you for nine months, caring for a child for a number of years, and many more. Consider these things, so that you can properly assess if you are ready for pregnancy. Get all these very important tips about pregnancy that you need to know.

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