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Molar Pregnancy Complete mole Incomplete mole- Fertilization an empty egg by -fertilization of an egg by two one sperm. sperms-All placental villa swollen. -some placental villa swollen-Fetus, cord, amniotic - Fetus, cord, amniotic membrane are absent. membrane are present-Paternal chromosomes only. 46 - Paternal and maternal XX. 69XXY-diploidy -Triploid
Molar Pregnancy Incidence and epidemiology:-In USA 1:1000-In Asia 8:1000 Risk factors for molar pregnancy:-Extreme of age-Lower socioeconomic status-Race and ethnic origin-Blacks have lower incidence
Molar Pregnancy Symptoms and signs of molar pregnancy-Abnormal bleeding in early pregnancy-Lower abdominal pain-Toxemia before 24 weeks of gestation-hyperemesis gravidarum
Molar Pregnancy-Uterus large for dates-No fetal heart rate-Enlargement of the ovaries-Hyperthyroidism-Expulsion of swollen villi
Molar Pregnancy Diagnosis:-Ultrasound shows snowstorm-like appearance, no fetus, theca lutein cyst-Beta hCG in normal pregnancy the level is at it peak at around 14 weeks (100,000 mIU/ml)
Management Once the diagnosis is made evacuation of the uterus should be done but prior to that:hCG preevacuation. Chest x-ray. Correct: anemia, toxemia, hyperthyroidism, pulmonary compromise.
Follow up HCG weekly until normal for two values then monthly for one year. Repeat x- ray if HCG rises or plateau. Contraception for one year. Pelvic examination every 3 weeks for 3 months.
Follow up Initiate chemotherapy if:-HCG level is increasing or plateaus-Metastasis disease is present-HCG level is still elevated after 6 months of evacuation-HCG starts to rise after being undetectable
FICO Classification System of GTTI. Confined to corpus uteriII. Metastases to vagina or pelvic organsIII. Metastases to lungsIV. Distant metastases
Prognostic Classification of GTT I. Nonmetastatic GTT II. Metastatic GTT: disease outside the uterus.A. Good prognosis:1. Disease present less than 4 months2. Pretreatment HCG is less than 40,0003. No prior chemothreapy4. No metastatic to the liver or the brainB. Poor prognosis: the opposite of good prognosis