Does one fetus stopping development in a monozygotic twin pregnancy affect the other?

Oct 13, 2022 Source: Cainiu Health

Dr. Lv Aiming

Introduction

A missed abortion in one fetus of a monozygotic twin pregnancy does not affect the other. The loss of one twin is often due to chromosomal abnormalities in the embryo. It may also occur because the two fetuses share a single placenta, and uneven blood supply within the placenta can lead to the demise of one fetus. After fetal demise, the deceased fetus may be absorbed or compressed by the surviving embryo.

Under normal circumstances, the demise of one fetus in a monozygotic twin pregnancy does not affect the other.

The loss of one twin is often due to chromosomal abnormalities in the embryo. It may also occur when both fetuses share a single placenta and unequal blood supply within the placenta leads to the demise of one fetus. After one fetus stops developing, it is typically absorbed or compressed by the surviving embryo, and generally does not cause complications.

However, in some rare cases, the demised fetus may release residual substances that could alter the mother's coagulation function, potentially affecting the health of the surviving fetus. Therefore, if fetal demise occurs in one twin, timely prenatal examinations are essential. Any discomfort should prompt immediate medical evaluation and treatment as directed by a physician. Following the loss of one twin, attention should be paid to diet, favoring light foods such as millet porridge or sugared water. Adequate rest is also important to avoid excessive fatigue in the mother, which could negatively impact the surviving fetus.

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Is bad breath during pregnancy a sign of fetal停搏?

In general, there is no direct association between bad breath and fetal demise during pregnancy; therefore, bad breath is not an indication of fetal demise. Oral odor during pregnancy can be caused by various factors, including hormonal changes, increased saliva production, and elevated levels of oral bacteria. These factors may alter breath odor, causing discomfort or bad breath.

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What does it mean when a 7-month pregnancy stops developing and the fetus dies in the womb?

Fetal demise at seven months of pregnancy is generally caused by factors such as umbilical cord knots, placental abnormalities, and chromosomal abnormalities. In addition to these common causes, conditions like hypertension, diabetes, and cardiovascular diseases can also lead to this complication. It is recommended to have regular check-ups during pregnancy to monitor fetal development. If fetal demise occurs, prompt medical intervention is advised to prevent harm to the mother's health.

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Are there any symptoms of fetal demise at 13 weeks of pregnancy?

In general, symptoms of fetal demise at 13 weeks of pregnancy may include disappearance of early pregnancy reactions, cessation of breast enlargement, lower abdominal pain, vaginal bleeding, and backache. If fetal demise occurs, an induced abortion can be performed under a doctor's guidance to remove the nonviable fetus. After the procedure, avoid excessive mental stress and consume nutritious foods to help your body recover.

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Are there any symptoms or signs of fetal demise in the late stages of pregnancy?

Symptoms of fetal demise in the late stages of pregnancy generally include abdominal heaviness or pain and cessation of fetal heartbeat. Warning signs often involve abnormal fetal movements and vaginal bleeding. During the late stages of pregnancy, the fetus has gradually developed to maturity with limbs largely formed. If fetal demise occurs at this stage, prolonged retention of the fetus in the uterus may lead to progressive necrosis of local soft tissues.