Progesterone (P4) blood level: The P4 check measures the amount of progesterone inside your blood to find out if ovulation has transpired. Lots of people report cramps during implantation (once the fertilized egg implants from the uterine lining). Embryo implantation takes spot 6 to twelve days after ovulation, so it https://how-do-i-know-if-i-have-o89122.blog2news.com/34837808/not-known-factual-statements-about-irregular-ovulation-but-regular-periods