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.
Like stress, illness can also make your period late. If you are ill around the time you would have ovulated, this may keep you from ovulating or temporarily delay ovulation. If ovulation is late, your period will be late as well. If your period is late, think back to how you were feeling a couple weeks earlier.