By the 21st week of pregnancy, most pregnant women can feel the baby’s movements.

The baby is about 25 cm tall and weighs about 300 g.

Medical studies also show that babies at this age are very active, moving up to 50 times every hour. These movements, including reflexes, are designed to stimulate physical and mental development.

The developing brain begins to receive electrical signals from the body. These signals are primarily related to sensations such as pressure, pain, light, or temperature.

Fetus at 21st Weeks of gestation

The digestive system begins to grow and fully develop.

The bone marrow starts to create red platelets. The nails aren’t hardened yet, but they are starting to grow.

The testicles descend from the pelvis into the scrotum, and the girl’s vagina begins to form.

21st Weeks of Pregnancy

Usually, the mother’s condition is much better.

As the uterus continues to grow, it becomes about 20 cm.

  • Separation of the abdominal and rectal muscles can result in rectal separation, which appears as an elongated bulge in the center of the abdomen.
  • As the skin stretches to accommodate the growth of the uterus, gestational lines can develop.
  • The navel may also protrude outward. This is usually temporary and returns to its original position after childbirth.
  • During this period there is more water retention and more vaginal discharge than usual. These secretions are usually clear but should not have a strong odor. In addition to vaginal discharge, urine may leak when you cough or laugh, for example.

You can take vitamins and supplements, such as vitamin C, D, or iron, as advised by your doctor.

Keep your skin moist and eat foods rich in vitamins A, C, and E

One of the best ways to reduce discomfort and stress and sleep well is to get a massage.

The Need for Precision Ultrasound

In addition to measuring the fetus, a detailed examination of its morphology is performed.

Precise ultrasound can confirm whether there is an abnormality in fetal development. In this way, a possible anomaly can be diagnosed and the doctor can decide whether to proceed with further examination. Examples include more ultrasound tests, blood tests, urine tests, amniocentesis, or magnetic resonance imaging.


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