Abdominal pain in pregnancy as in menstruation may be caused by ligament pulling, preeclampsia, ectopic pregnancy, and gastrointestinal smooth muscle spasms.
After pregnancy, with the increase of gestational weeks, the uterus will slowly increase in size, the increase caused by ligament pulling on both sides of the lumbosacral ligaments, will produce a slight abdominal pain, and the usual menstrual cramps may be similar to menstrual cramps.
Miscarriage with preeclampsia occurs in the early stages of pregnancy, when the gestational sac peels away from the uterine wall, stimulating uterine contractions and producing abdominal pain, which may be similar to the usual menstrual cramps.
Ectopic pregnancy occurs after pregnancy, the gestational sac did not normally bed in the uterine cavity, more common is to bed in the fallopian tube, with the gradual development of the gestational sac, may burst the fallopian tube triggered by severe abdominal pain, the pain is similar to the menstrual cramps more serious menstrual cramps.
Catching a cold or eating unclean food after pregnancy may cause abnormal contractions and spasms of the smooth muscles of the gastrointestinal tract, resulting in abdominal pain, which may also be similar to menstrual cramps.
In short, pregnancy and menstruation like abdominal pain causes more, if the abdominal pain is more intense and long lasting, or accompanied by vaginal bleeding, to go to the hospital in time.