A hard stomach in mid-pregnancy may be caused by normal physiological phenomena, physiological uterine contractions, preterm labor and so on.
1. Normal physiological phenomenon: with the progress of pregnancy, the uterus in mid-pregnancy is also relatively large, has shown pregnant, at this time the abdomen can touch the enlarged uterus, thus feeling hard stomach.
2. Physiological uterine contractions: from 12 to 14 weeks of pregnancy, physiological uterine contractions can occur, manifested as irregular and painless contractions, so pregnant women can feel the stomach hard or tightness.
3. Preterm labor: the precursor of preterm labor, mainly manifested in the phenomenon of persistent, irregular contractions, which may be accompanied by abdominal pain, vaginal discharge of a small amount of blood and other symptoms, which can also lead to mid-pregnancy stomach hard.
There are many other causes of mid-pregnancy hardness, which should be taken seriously, and timely consultation should be made to identify the cause of the disease, and follow the medical advice for further treatment or therapy.