After taking the pill stomach pain is mainly due to uterine contraction, digestive tract reaction, mental and psychological factors, etc. 1, uterine contraction: after taking the pill due to changes in the body’s hormone levels, there may be withdrawal bleeding, triggering uterine contraction, which leads to stomach pain. Retreat bleeding often disappears on its own in about 3-5 days, without special treatment. If a woman is more sensitive to the pill, after taking it, the medication stimulates the endometrium, causing uterine contractions and resulting in stomach pain. Usually the pain is mild and short-lived, and often relieves itself; 2. Gastrointestinal reactions: the pill contains a large amount of estrogen and progestin, which affects the physiological functions of the digestive tract after women take it, manifesting as nausea, vomiting, abdominal pain and other digestive symptoms. You can drink more hot water, use hot water bags or warm towels to warm the abdomen to relieve the symptoms of stomach pain; 3, psychological factors: If women are too nervous after taking the pill, psychological stress can lead to symptoms of stomach pain. Therefore, after taking the medicine, attention should be paid to avoid emotional tension, excessive worry, proper rest, avoid strain, so that the body and mind in a relaxed state, so as to reduce pain; 4, other: the presence of pelvic inflammatory disease, endometritis, gastrointestinal disorders, etc. can lead to women’s stomach pain, should pay attention to the identification. If women’s stomach pain symptoms continue to be unrelieved, they should go to the hospital in time to do ultrasound, white belt routine and other related examinations to clarify the cause and then treat the cause.