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Signs of missed early pregnancy, diagnosis and action

A frequent fear that haunts future mothers in early pregnancy is that they are afraid to detect the death of the embryo on one of their ultrasound trips. Sometimes this anxiety becomes so intrusive that the expectant mother is ready to literally live near the ultrasound machine and constantly be confident in the healthy development of the child.

But missed abortion has certain symptoms that can be noticed if you closely monitor the general condition of your body.

Conventionally, these signs can be divided into 2 groups: the first group includes those that a pregnant woman can observe in herself, and the second group can be observed with special studies and not visible with the naked eye.


Symptoms of missed abortion in the first trimester

Symptoms of missed abortion

It is possible to determine that the fertilized egg has died by observing the nature of the discharge from the genital tract, general well-being, toxicosis, as well as the behavior of the basal temperature graph. These will be only indirect symptoms of a missed abortion in the early stages, but their presence will serve as a signal to consult a doctor and conduct more thorough research.


Despite the fact that the embryo dies, for some time the ovum is in the uterus. If the miscarriage did not occur in the first few hours, the body will gradually get rid of the fetus.

  • In the first 1-2 days after the start of regression in the development of fetal discharge, they have a normal whitish color and a normal consistency.
  • Over the next few days, the embryo begins to decompose. These processes affect the fertilized egg, which begins to gradually exfoliate from the uterine wall, where it was implanted earlier. Reddish streaks may appear in the discharge.
  • After 2 weeks after the death of the embryo, detachment of the ovum is more obvious. Discharges become bloody, becoming red-brown in color.

As a rule, when blood appears, a woman turns to a gynecologist who diagnoses a dead pregnancy. But this symptom does not necessarily indicate that the embryo has stopped its development. Perhaps he is alive, and the detachment began for completely different reasons.


If nausea began from the first weeks of pregnancy, then by changing its frequency and intensity, one can judge that not everything is in order with the embryo. Toxicosis during pregnancy begins to appear after implantation of a fertilized egg in the uterus, so an increase in the concentration of the hormone hCG in the blood causes nausea and vomiting to increase.

  • On the first day after the embryo died, nausea can manifest itself just as it did while the pregnancy developed.
  • The next day, the level of hCG begins to decline, so if the expectant mother had vomiting, she could turn into a slight feeling of nausea.
  • After 4-5 days, toxicosis disappears.
  • Another option to change the manifestations of intoxication can be a sudden cessation of vomiting and nausea.

It must be remembered that a decrease in the number of emetic urges may be a sign of the natural cessation of toxicosis due to the addiction of the mother's body to the presence of pregnancy.

General well-being

A decaying fertilized egg that has not left the uterus will, over time, contribute to the deterioration of general health. However, this symptom appears when the lost pregnancy is in the body of the mother for a long time.

  • Weakness, dizziness and pulling sensations in the lower abdomen appear about 3 weeks after the embryo dies.
  • Sharp pain in the uterus and a slight increase to 37.7 appears 4 weeks after the death of the embryo.
  • High fever and colic pains in the uterus, accompanied by general weakness and loss of consciousness are observed 5 weeks after the death of the embryo.

The long presence of a decomposing ovum in the body of a woman is fraught with strong inflammation, which can develop into sepsis. Therefore, you need to pay special attention to other signs of missed abortion in early pregnancy, in order to carry out curettage of the uterus in time.

Changes in the BT schedule

Many women continue to monitor their basal temperature daily, even after pregnancy. This will be another opportunity to notice the first signs of fetal death, and the temperature will react faster than any other symptom.

  • After two days, the BT line on the chart will begin to move down. Normally, a thermometer should show a temperature not lower than 37 degrees. However, approximately 48 hours after the embryo stops functioning, it will drop to 36.9 - 36.8.
  • After 4 days, the temperature will drop to 36.7 degrees and hold on at this value for several more days.
  • Further, the process of decomposition of the ovum will enter a more active phase, and BT will respond to the occurrence of the inflammatory process in the pelvic organs by a sharp rise.

However, in some cases, the cessation of the development of the embryo does not affect the basal temperature. Then the pregnant woman should rely on a number of the above symptoms.

Signs of missed abortion in the early stages (I term)

Signs of missed early pregnancy

Signs of fetal death are determined by the physician, based on the results of the studies performed. As a rule, a woman asks for help in the presence of pain and lingering scanty (or heavy) bleeding, or the lost pregnancy is discovered by chance, during a hike on an ultrasound. In addition to the hardware study, a pregnant woman will have to undergo a blood test to determine the concentration of hCG.

Ultrasound readings

  • The heartbeat of the embryo is not determined. In normal ultrasound it is noticeable from 5 weeks of pregnancy.
  • A fetal egg does not have a diameter of such dimensions as the duration of pregnancy implies.
  • The size of the embryo that is in the fetal egg does not correspond to the gestational age.
  • If the period is up to 4 weeks, then the sign of the death of the ovum is deformation.
  • The embryo is not visualized for a period of 6 - 7 weeks.

HCG readings

  • Concentration of hCG below the period of pregnancy, delivered on an ultrasound or during a pelvic exam.
  • For several days there has been a persistent decrease in the hormone HCG in the blood.
  • The level of hCG rises, but very weakly and far behind the norm, determined by the duration of pregnancy.

In order to accurately establish the presence of missed abortion in the first trimester, the signs detected on ultrasound and based on the results of hCG are considered together with each other.

Symptoms of missed abortion in the II and III trimesters

With an increase in the duration of pregnancy, the child becomes more and more pronounced, therefore, in the event of his death in the second trimester, the signs of a missed abortion will be equally noticeable both at 16 weeks and 18 weeks. The same can be said about the third trimester.

Since the symptoms of fetal death in both trimesters have much in common, you can combine them into a single list:

  1. Sudden cessation of movement for several days.
  2. The appearance of pulling back pain.
  3. The appearance of bleeding.
  4. Discharge from the genital tract amniotic fluid with an unpleasant odor.

Unlike the first trimester, on a long term of pregnancy, the woman's body independently gets rid of a non-developing pregnancy rather quickly - within a few days.

Factors that trigger the death of the embryo

A freezing pregnancy is not causeless. It can occur due to genetic failure, hormonal disorders, infectious diseases, or due to autoimmune problems. Doctors identify two factors that contribute to the arrest of embryo development:

  1. Factors that contribute to the development of a potentially defective embryo (genetic mutation).
  2. Factors that create conditions that are unfavorable for the development of the embryo (hormonal disorders, infections, autoimmune problems)

The vast majority of pregnancies that fade for up to 8 weeks die due to the factor of genetic mutations. They can be spontaneous, and can be hereditary.

What is the most accurate diagnosis of missed abortion?

diagnosis of missed abortion

The woman’s actions should depend on how the non-developing pregnancy was established. It so happens that doctors make mistakes in diagnostics, so before you go on scraping you need to double-check the findings of physicians.

Diagnostics at gynecological examination

The size of the uterus may not coincide with the period of pregnancy, which the doctor calculated, based on the start date of the most recent menstruation. If blood smearing from the genital tract occurs at the same time, the specialist may conclude that the embryo regressed in development and the ovum began to decompose.

It often happens that the period determined by the gynecologist differs from the actual gestational age by 2, and sometimes by 3 weeks. The bleeding may go for completely different reasons, for example, the ovum begins to peel off with a live embryo.

Therefore, if a frozen pregnancy is diagnosed only with the help of a pelvic exam, it is better to double-check the doctor’s findings by visiting the ultrasound room.

Diagnostics with ultrasound

Signs of missed abortion, for example, at week 8 or 10, are clearly identified when the ultrasound procedure is first performed. But if the period is still small, and does not exceed 5 weeks, then even hardware diagnostics can make a mistake: not to visualize the embryo or not to notice its heartbeat.

Therefore, in the short term in determining the lost pregnancy, ultrasound can not be completely trusted. In this case, you should come in a week and make a new attempt to detect the existence of the embryo.

Diagnosis with hCG

The results of the blood test may not coincide with the expected duration of pregnancy. But if the blood sampling for hCG was single, then it is not informative in determining the death of the fetus.

Only a second analysis done a few days after the first can answer the question of the viability of the ovum. Even more accuracy will be if the results of HCG correlate with the results of ultrasound.

What to do if missed abortion is detected?

If the child was desired, his death at any stage of pregnancy would be a tragedy for the mother. But from the moment of suspicion of the death of the fetus, doctors need to adhere to a certain scheme of actions:

  • You must make sure that the pregnancy is really dead. To do this, follow the results of the analysis of hCG over time.
  • If the embryo has died recently, then one can use a wait-and-see tactic - perhaps the body itself will reject the fertilized egg. But this should be done only after consulting a doctor, who will carefully evaluate all the risks.
  • If the embryo died a long time ago, the doctor will prescribe curettage of the uterus, which is carried out in a hospital under general anesthesia.

To get rid of missed abortion is only necessary under the supervision of medical specialists. In no case can not self-medicate and try at home to cause a reduction of the uterus with the help of herbal.

First, you can miss the time and decomposing in the uterus of the uterus will cause serious harm to a woman's body.

And secondly, inept actions create the risk of a partial release of the embryo from the uterus. The remnants of the fetal membranes may still be in the body of a woman, contributing to the beginning of the inflammatory process.

In addition, self-medication of a missed pregnancy can cause severe bleeding, for which you will have to go to the hospital to stop.


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