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.
In infertile women, the duration of the follicular phase of the menstrual cycle was shown to be shorter when ovulations alternated between the two ovaries compared to when ovulation occurred in the same ovary (Potashnik et al., 1987; Fukuda et al., 1996, 1998).