Implantation of the embryo: what are the symptoms of nidation?

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Implantation of the embryo: what are the symptoms of nidation?

It is with implantation of the embryo in the uterine wall that the pregnancy begins. It is also from this that the first “symptoms of pregnancy” usually appear.

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Implantation of the embryo: what are the symptoms of nidation?
Implantation of the embryo: what are the symptoms of nidation?

Implantation of the embryo: can we “feel” the nidation?

  • Many pregnant women claim to have felt the implantation of the embryo in the wall of the uterus (endometrium): the main symptoms are tightness or cramps in the lower abdomen and the lumbar region. Sometimes they are accompanied by an increase or decrease in body temperature or breast pain.
  • You may also notice small bleeding, pinkish or brown, after implantation: by implanting in the endometrium, the egg can rupture small blood vessels. Usually, implantation bleeding is less abundant than menstruation, but it is not always easy to distinguish between them …
  • However, in many cases implantation of the embryo is not felt. Also, the symptoms listed above may be caused by other reasons (e.g., stress, hormonal disruption not related to pregnancy). In summary, they alone do not constitute “reliable” signs of pregnancy. On the other hand, other more characteristic symptoms may appear after the nidation.

Implantation of the successful embryo: the main signs of pregnancy

  • The implantation of the embryo triggers cascade reactions, including various hormonal changes, with the aim of preparing your body for childbirth and breastfeeding. These reactions, although useful, have some “secondary” effects that can put you on the trail of pregnancy.
  • Common symptoms of early pregnancy include nausea, vomiting, tight and hypersensitive breasts, more frequent urges to urinate, fatigue, mood disorders (you can switch from laughing to tears Very quickly for no apparent reason), cravings, a sudden repulsion for certain foods …
  • Of course, a significant delay in menstruation can also be a sign since menstruation ceases throughout pregnancy.
  • However, even if these symptoms strongly suggest pregnancy, they may have other causes: in the end, only a dosage of the hormone beta HCG (human chorionic hormone gonadotropic) can reveal a pregnancy.

Implantation of the embryo and beta HCG: what is the link?

  • The HCG beta hormone is produced in increasing quantities after implantation of the embryo. This hormone, which can only be detected in pregnant women, is used to prevent the elimination of the endometrium (removal which typically takes place during each menstrual cycle and causes the menstrual period).
  • If you think you are pregnant, the best way to confirm your pregnancy is to look for the presence of this hormone: usually it is first detected by a urine pregnancy test then a more accurate blood pregnancy test confirms or more Rarely invalidate the first result.
  • Note: in early pregnancy, the HCG beta is still undetectable. It is better to wait 5 to 8 days of rule delay to do the test.

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