After ovulation, the stomach has been vaguely painful in the clinical main reasons are as follows: first, after ovulation, the corpus luteum is formed, the corpus luteum is a certain amount of pressure, this pressure is likely to cause localized pain, or swelling, in the clinical is a normal phenomenon, the vast majority of a few days later, this situation will slowly disappear. Secondly, after ovulation, the follicular fluid flows into the uterorectal fossa, and if there is inflammation in the pelvic cavity, the stimulation of the follicular fluid will cause hidden pain in the lower abdomen. Clinical advice to rule out the possibility of pelvic inflammatory disease, you can do gynecological examination to understand whether the uterine adnexes have pressure and pain, if there is pelvic inflammatory disease, clinically active treatment of the original inflammation, you can avoid the situation of hidden pain in the stomach after ovulation.