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The yolk sac is normal for weeks

Yolk sac by week of pregnancy

It’s so wound up by mother nature that each organ performs the function assigned to it only in the body. Gradually, with the development of science, mankind studied each organ and its significance in our body. Only with the advent of ultrasound equipment did doctors have an opportunity to look into the secret world of the origin of life, but this only added new questions that need answers. One of these mysteries was, at that time, an unknown organ, a yolk sac.

The yolk sac is normal for weeks

On the orders of the Ministry of Health of the Russian Federation, all pregnant women who are registered in women’s consultations at their place of residence must undergo three times ultrasound screening at different gestation times:

The first ultrasound is carried out from 10 to 14 weeks. But for more accurate data it is better to do ultrasound at the end of the first trimester. During this period it is easier to detect abnormalities in the development of the embryo and in case of serious defects it is safer for the woman’s health to get rid of the fetus that develops incorrectly.

The ultrasound, which is performed before the first screening, is carried out only for the purpose of establishing pregnancy. And no pathologies or abnormalities can not be identified, because in a small period the size of the fetal egg can not afford it.

But the doctor can prescribe an ultrasound examination if necessary more than three times.


An increase in the yolk sac size above the norm also does not immediately indicate an existing pathology. Diagnosis is required to establish possible causes. Taking certain medications, improper nutrition and stress can be the reason for an increase in the diameter of the yolk sac. Or simply an individual feature that does not herald any threat to the fetus. The doctor should conduct a repeated ultrasound to clarify and confirm the diagnosis.

The increase, decrease, irregular shape or compaction of the envelope with nutritional yolk from the established norms are important only together with violations of other indicators.

Author: Marina Morgunova

The yolk sac is normal for weeks

If there is a suspicion of an ectopic pregnancy, it is necessary to undergo a survey. Method of removal is incorrectly fixed.

The yolk sac is normal for weeks

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