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A hydatidiform mole is a pregnancy/conceptus in which the placenta contains grapelike vesicles (small sacs) that are usually visible to the naked eye. Partial Hydatidiform Mole: ... diagnose a partial mole because the typical "snowflake" picture is seen in the placental area accompanying the fetus. Title: Hydatidiform Molar Pregnancy 1 Hydatidiform Molar Pregnancy 2. This is an abnormal form of pregnancy where a egg that had lost its dna becomes fertilized by sperm (complete mole) or an egg becomes fertilized by two sperm or a sperm that has duplicated itself (partial mole). A hydatidiform mole is a cluster of abnormal cells which develop in the uterus. It is a type of gestational trophoblastic disease (GTD). Our patient refused termination of pregnancy and she was hospitalized for strict observation and follow-up.


If your doctor suspects that you have a hydatidiform mole, they may also suggest a blood test to check your levels of hCG. Higher-than-normal levels can help with the diagnosis. Causes. Rarely, a hydatidiform mole develops when there is a living fetus.

HM, or molar pregnancy, results from abnormal fertilization of the oocyte (egg). Hydatidiform mole (HM) is a rare mass or growth that forms inside the womb (uterus) at the beginning of a pregnancy. Sometimes, the picture on the ultrasound scan can be quite characteristic if you have a hydatidiform mole. You can have this pregnancy complication even if you have had a typical pregnancy before. Serum β human chorionic gonadotropin was falsely low as identified by serial dilution of the sample (the 'hook effect'). Hydatidiform moles are most common among women under 17 or over 35.

Complete Hydatidiform Mole: The most benign form GTN is the hydatidiform mole.The diagnosis of GTN is greatly facilitated by ultrasonography. When inspected under the microscope, hyperplasia of the trophoblastic tissue is noted. However, at other times the ultrasound picture may just look like a miscarriage.
A healthy mole can be larger than 6mm in diameter, and a cancerous mole can be smaller than this. Placenta - Complete hydatidiform mole. The vesicles arise by distention of the chorionic villi by fluid. However, a hydatidiform mole can develop from cells that remain in the uterus after a miscarriage, a full-term pregnancy, or a mislocated pregnancy (ectopic pregnancy). It is more commonly considered a kind of Gestational Trophoblastic Disease (GTD). The placenta grows normally with little or no growth of the fetal tissue. The first sign of a melanoma is often a new mole or a change in the appearance of an existing mole. Such molar pregnancy may be caused due to excessive generation of the tissue that was required to develop into the placenta. The mole can cause false positives on pregnancy tests, leading a women to believe that she is pregnant, and hydatidiform moles are not uncommon.

In such cases, the fetus typically dies, and a miscarriage often occurs. But size is not a sure sign of melanoma.

Diagnosis in First Trimester: The entire uterine cavity appears filled with more or less refringent masses and, almost always, a total absence of fetal signs. Hydatidiform mole is the most common benign lesion of gestational trophoblastic disease (GTD) with an incidence of about 1 per 1000 pregnancies .It is categorized as complete hydatidiform mole (CHM) or partial hydatidiform mole (PHM) on the basis of gross morphology, histopathology and cytogenetic analysis. Patients with evidence of marked trophoblastic growth such as preevacuation hCG level of 100,000 mIU/mL, excessive uterine growth (20 week size) and theca lutein cysts 6 cm in diameter have 40% incidence of postmolar gestational trophoblastic disease, compared to 4% for those without any of these signs