Pregnancy 21 weeks symptoms.21 weeks of pregnancy is due to the more coordinated work of the central nervous system. Your baby swallows amniotic fluid, the main components of which are well absorbed by the body, and solid substances, such as dead skin cells, remain in the rectum until birth. The first feces are mostly composed of thickened epithelial cells and bile, it will be removed from the intestines with the first muscle contractions. That is, the digestive system can already recognize and absorb many substances that are in the amniotic fluid.
Intrauterine development of the baby at 21 weekspregnancy The baby's blood already contains a sufficient number of red blood cells and white blood cells, which are responsible for suppressing infection, are beginning to be produced. The child can distinguish light and darkness, but his eyes are still hidden under the eyelids. Motor activity increases, during the day the child can change his position several times: sometimes he sleeps upside down, sometimes he plays, lying parallel to the floor, sometimes he supports the bottom of the uterus with his back of the head. Pregnancy 21 weeks Ultrasound confirms that the baby has increased in size: his weight is almost 300 grams, and his height is 18 cm.
The tummy of a future mother at 21 weeks gestationPregnancy Week 21 signs of weight gain are most noticeable, a woman needs another 500 kcal. more, as the child begins to actively form a fatty layer. So do not be surprised if the appetite rises again, as in the first weeks of pregnancy or if you want to eat something unusual. The bottom of the uterus rises and now it is located 1.25 cm above the navel.
