Cramps in the lower part of the stomach at 28 weeks of pregnancy may be caused by physiological reasons, premature labor, acute appendicitis and other reasons.
1. Physiological reasons: after pregnancy due to changes in hormone levels in the body can increase the sensitivity of the uterus, irregular and painless contractions can occur, and with the progression of pregnancy and gradually increase, manifested in the lower part of the belly spasms, relieved after resting appropriately, is a normal physiological phenomenon.
2. Preterm labor: Irregular contractions may occur, which may be manifested as cramps in the lower part of the abdomen with pain, and may or may not be accompanied by shortening of the cervical canal, which can be diagnosed by combining with clinical manifestations and ultrasound examination.
3. Acute appendicitis: due to inflammatory stimulation can also cause uterine contractions, resulting in lower abdominal cramps, can also be accompanied by fever and other symptoms, the examination is often no obvious transfer of pain, abdominal pain and tenderness of the location of the higher, combined with the history and ultrasonography, laboratory tests, etc. to assist in the diagnosis.
When the cramps in the lower part of the lower abdomen at 28 weeks of pregnancy cannot be relieved after rest, it is necessary to go to the hospital in order to find out the cause and give treatment under the guidance of the doctor.