Some pregnant women at 21 weeks’ gestation experience brief cramping sensation in the stomach. These are Braxton Hicks contractions, which are a natural manifestation of preparation for childbirth. Most of these false or training bouts pose no danger either for the mother or for the baby, but if a woman is concerned about their intensity, or other discomfort, it is better to consult your doctor.

Relaxing tea or warm milk will help to remove the discomfort of training contractions, it is also worth to take a horizontal position, relax and lie down or take a warm shower.