The girl's lower abdomen suddenly hurts for a few seconds

If there is a sudden stabbing pain in the lower abdomen, for men, it may be caused by gastrointestinal diseases, and for women, it may be related to the uterus, and women are very prone to abdominal pain when they have their period, usually two or three days before the onset of menstruation.

1. Abdominal pain related to menstruation

1. Menstrual pain: It is common to experience lower abdominal pain 2-3 days before menarche or during menarche. Severe abdominal pain is accompanied by nausea, vomiting, diarrhea, etc. For patients with membranous dysmenorrhea, the pain will subside after the membranous uterine wall is removed. There are also patients with endometriosis, the main symptoms are secondary dysmenorrhea, the lower abdominal pain during menstruation is gradually aggravated day by day, if the condition is serious, the lower abdominal pain may start 2-3 days before the menarche, and the abdominal pain will not disappear until the menstruation is over.

2. Retained menstruation: Regular lower abdominal distension and pain may occur in any case where the reproductive system is obstructed or blocked, such as vaginal diaphragm, congenital absence of vagina, or ruptured hymen, but menarche may not be seen.

2. Abdominal pain related to pregnancy

1. Miscarriage: Women of childbearing age with a history of amenorrhea and vaginal bleeding may experience paroxysmal pain in the lower abdomen and a feeling of heaviness and discomfort in the lumbar region, regardless of whether it is in the early or mid-to-late stages of pregnancy.

2. Ectopic pregnancy: Once an ectopic pregnancy breaks open, there will be subacute persistent lower abdominal pain, accompanied by anal prolapse and a feeling of defecation. If many capillaries are ruptured, there will be a drop in blood pressure, shock, and significant lower abdominal tenderness and rebound pain. Intravaginal posterior fornix puncture can be performed to draw out non-coagulated blood.

3. Uterine perforation: Abortion in early pregnancy or curettage during breastfeeding may cause uterine perforation due to careless surgical operation, resulting in acute lower abdominal distension and pain.

3. Abdominal pain related to inflammation

1. Acute pelvic inflammatory disease: Subacute lower abdominal distension and pain may occur, accompanied by fever and excessive leucorrhea. During gynecological examination, there is a burning sensation in the vagina, tenderness and rebound pain in the lower abdomen, etc.

2. Pelvic abscess: Subacute lower abdominal pain, purulent vaginal discharge, and the patient suffers from chills and high fever.

3. Pyometra: It is common in middle-aged women due to inflammation of the reproductive system or secondary infection of endometrial cancer, cervical cancer, or after uterine intracavitary radiotherapy, resulting in pyometra, causing subacute lower abdominal distension and high fever.