6/4/2023 0 Comments H molar mass![]() ![]() Epidemiology, diagnosis and treatment of gestational trophoblastic disease: A Society of Gynecologic Oncology evidence-based review and recommendation. American College of Obstetricians and Gynecologists. Understanding and management of gestational trophoblastic disease. Hydatidiform mole: Treatment and follow-up. About gestational trophoblastic disease.In: Rosen's Emergency Medicine Concepts and Clinical Practice. Hydatidiform mole: Epidemiology, clinical features, and diagnosis. The risk of having another molar pregnancy is low, but it's higher once you've had a molar pregnancy.ĭuring future pregnancies, a care provider may do early ultrasounds to check your condition and make sure the baby is developing. You might want to wait six months to one year. If you've had a molar pregnancy, talk to your pregnancy care provider before trying to get pregnant again. A complete molar pregnancy is more likely to have this complication than is a partial molar pregnancy. Choriocarcinoma is usually successfully treated with chemotherapy. Rarely, a cancerous form of GTN known as choriocarcinoma develops and spreads to other organs. Another treatment possibility is removal of the uterus, also known as hysterectomy. 55 It is unique among all stable isotopes in having no neutrons see diproton for a discussion of why others do not exist. Because the nucleus of this isotope consists of only a single proton, it is given the descriptive but rarely used formal name protium. Persistent GTN is usually treated with chemotherapy. H is the most common hydrogen isotope, with an abundance of more than 99.98. In some cases, the mole that causes the molar pregnancy goes deep into the middle layer of the uterine wall. One sign of persistent GTN is a high level of human chorionic gonadotropin (HCG) - a pregnancy hormone - after the molar pregnancy has been removed. GTN happens more often in complete molar pregnancies than it does in partial molar pregnancies. This is called persistent gestational trophoblastic neoplasia (GTN). A molar pregnancy is more likely in people older than age 43 or younger than age 15.Īfter removing a molar pregnancy, molar tissue might remain and continue to grow. A repeat molar pregnancy happens, on average, in 1 out of every 100 people. If you've had one molar pregnancy, you're more likely to have another. Risk factorsįactors that can contribute to a molar pregnancy include: This most often occurs when two sperm fertilize an egg, resulting in an extra copy of the father's genes. The embryo then has 69 chromosomes instead of 46. In a partial or incomplete molar pregnancy, the mother's chromosomes are present, but the father supplies two sets of chromosomes. The chromosomes from the mother's egg are missing or don't work. In a complete molar pregnancy, one or two sperm fertilize an egg. In a typical fertilization, one chromosome in each pair comes from the father, the other from the mother. Human cells usually have 23 pairs of chromosomes. An egg fertilized atypically causes a molar pregnancy. ![]()
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