People develop kidney stones because: 1  Their small bowel absorbs too much calcium. 2  Their diets are too high in calcium or another mineral. 3  They have intestinal problems.  Urinary tract 1  infections. They may have inherited a certain disorder that makes their bodies more likely to form kidney stones.
1 Delayed ovulation may be a sign of poor egg quality. 2  Even if fertilization occurs, with delayed ovulation the endomtrium (uterine lining) has aged since the beginning of your cycle and may no longer be ready for the implantation of the fertilized egg.
The time of ovulation usually occurs midway between first day of two successive periods, but it can vary from day 8 to day 20 of a 28 day cycle. Figuring the Odds of Being Pregnant. The middle two weeks of your cycle is the time you are most likely to get pregnant. Most women ovulate around day 14, but there is great variation. The time of highest risk for unprotected sex is one or two days before ovulation when there is a 30% chance of becoming pregnant. Three days before ovulation the risk is 15%; on the day of ovulation it is 12%; after ovulation the risk approaches zero. Women with irregular cycles have more trouble determining when ovulation is occurring.