The situation of occasional stabbing pain in the right side of the abdomen three days after ovulation and intercourse may be caused by tubal blockage, pelvic inflammation, psychological effects, intestinal cramps and so on. 1. Fallopian tube blockage: female friends if the fallopian tube is blocked due to inflammation, when the fertilized egg wanders in the blocked fallopian tube after ovulation, it is easy to plant in the fallopian tube and lead to ectopic pregnancy. This situation in the early stage is prone to one side of the abdominal distension or stabbing pain may appear. 2. Pelvic inflammatory disease: when female friends have inflammation in the pelvis due to various reasons, the stimulation of inflammation may also cause abdominal distension, tingling and other symptoms. 3. Psychological effects: If women have too much expectation or too much fear of pregnancy, they are prone to pay too much attention to the body’s reaction. 4. Intestinal spasms: If a woman’s abdomen gets cold or she eats spoiled or unclean food, it will easily lead to acute gastroenteritis and other diseases, which will easily cause intestinal spasms and lead to abdominal pain and distension and other discomforts. Female friends after coitus, if there is special discomfort, it is recommended to go to the hospital as soon as possible to find out the cause.