embryo arrest

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Written by Liu Wei Jie
Obstetrics
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Embryonic arrest generally occurs at what time?

First, let's discuss what embryonic arrest means. There are two scenarios of embryonic arrest. The first scenario is where the embryo initially does not develop well, leading to the cessation of development in the very early stages of pregnancy. The second scenario occurs when the embryo initially develops well, but after a period, embryonic arrest happens. Therefore, embryonic arrest generally occurs during early pregnancy but can also occur later, around the middle of early pregnancy. It can happen at any time, but it is most commonly identified after 8 weeks. However, some cases involve the presence of an embryonic bud and heart tube, and embryonic arrest can still occur even at 10 or 11 weeks.

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Written by Zhang Lu
Obstetrics
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Embryonic arrest means

Embryonic arrest, as the name implies, refers to the cessation of embryo development. In clinical practice, it is also called fibroid miscarriage. Embryonic arrest is a pathological condition. Normally, in the early stages of pregnancy, as activity increases, the gestational sac gradually begins to show a yolk sac, embryo bud, and fetal heartbeat. If the fetal heartbeat is still not visible after a certain period, it indicates that the gestational sac is in a state of decay and that the embryo has stopped developing. Generally, 9 weeks of pregnancy is considered the final deadline for diagnosis. If no fetal heartbeat is detected during an ultrasound at 9 weeks of pregnancy, it can be diagnosed as embryonic arrest. Once diagnosed, it is advisable to proceed with an abortion as soon as possible to minimize harm to the woman’s body. If embryonic arrest occurs consecutively more than twice, a thorough examination of both partners should be conducted to determine the cause, to guide the next pregnancy.

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Written by Zhang Lu
Obstetrics
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Is embryonic arrest common?

Embryonic Arrest, also known as missed abortion, refers to a condition in early pregnancy where the gestational sac does not develop normally. By the end of the ninth week of pregnancy, no definitive fetal heartbeat can be seen on an ultrasound. Recently, embryonic arrest has become relatively more common in clinical practice, primarily due to various life stresses and the impact of various chemicals. Additionally, the age at which women are having children is gradually increasing, with many women over 30, and even over 35, having their first child. These women, being older, tend to have poorer egg quality, thus increasing the likelihood of embryonic arrest. Women who have previously experienced embryonic arrest should make comprehensive pre-pregnancy preparations and undergo appropriate tests, as well as seek pre-pregnancy guidance to increase the chances of a successful future pregnancy.

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Written by Liu Wen Li
Obstetrics
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What happens if there is embryonic arrest without miscarriage?

If an embryo stops developing but is not miscarried, the retained embryonic tissue can disrupt the clotting function in the pregnant woman’s body over time, leading to a condition called a missed miscarriage. Therefore, after a missed miscarriage occurs, it is important to check the duration it has been retained. If it has been a considerable amount of time, clotting function should be examined. If clotting is still within normal ranges, it is crucial to expedite the process allowing the woman to expel the non-viable embryonic tissue as soon as possible, which is beneficial for her health.

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Written by Zhao Li Li
Obstetrics
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Do you need to have an abortion if the embryo stops developing?

During prenatal check-ups, if it is indicated that the embryo has ceased to develop, it is necessary to treat the condition promptly. Normally, after the embryo has stopped developing, a detailed examination of the body is required to determine the current health status and to exclude potential complications such as coagulation dysfunction caused by the failed pregnancy. If everything is within the normal range, it is still recommended to promptly proceed with an abortion surgery to completely remove the embryo from the body to prevent long-term retention of embryonic tissue in the uterine cavity, which could lead to infections. After the abortion, it is also necessary to closely monitor the recovery of the uterine appendages and, if necessary, provide anti-inflammatory treatment as appropriate.

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Written by Zhang Lu
Obstetrics
56sec home-news-image

Can an arrested embryo be expelled naturally?

Embryonic arrest, also known as missed miscarriage, refers to the restriction of growth and development of the gestational sac in early pregnancy due to various factors, with no fetal heartbeat detected on an ultrasound at 9 weeks of pregnancy. When embryonic arrest occurs, a natural miscarriage may happen, but it's also possible that a natural miscarriage won't occur. Once embryonic arrest is confirmed, waiting for a natural miscarriage isn't advisable, as it is unpredictable and sometimes there might be no signs of miscarriage for a long time. Unrestricted waiting in such cases can harm a woman's body. Therefore, once embryonic arrest is diagnosed, hospitalization should be promptly sought, and artificial intervention methods such as surgical or medical abortion should be considered. While there is a possibility that the embryo could be expelled naturally, the likelihood is relatively low.

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Written by Zhang Lu
Obstetrics
1min 6sec home-news-image

Is embryonic arrest related to diet?

Embryo arrest, also known as missed miscarriage, refers to the absence of a fetal heartbeat in the early stages of pregnancy due to various factors affecting the gestational sac. Typically, if no fetal heartbeat and embryo are detected during an ultrasound at about 8 to 9 weeks of pregnancy, it can be diagnosed as embryo arrest. Currently, there are many reasons for embryo arrest in clinical practice, but many pregnant women look for causes in their daily life, such as diet and exercise. However, these factors are largely unrelated to embryo arrest. While diet plays a very important role in human health, the growth and development of an embryo are mainly influenced by its own genetic material, endocrine, and coagulation factors, which are generally unrelated to diet. Therefore, when embryo arrest occurs, one should not look for reasons in diet or other daily life factors; instead, it is advisable to undergo targeted medical examinations to determine the specific cause.