In what % of patients with hydatidiform mole height of uterus is more than expected for the period of amenorrrhea?
**Core Concept**
A hydatidiform mole is a type of gestational trophoblastic disease characterized by abnormal trophoblastic proliferation and abnormal fetal development. It is usually associated with hormonal imbalance and can lead to abnormal uterine growth.
**Why the Correct Answer is Right**
In patients with hydatidiform mole, the uterus is often larger than expected for the duration of amenorrhea (time since the last menstrual period) due to trophoblastic proliferation and invasion of the myometrium, leading to increased uterine size. This is because the abnormal trophoblastic tissue secretes human chorionic gonadotropin (hCG), which stimulates the growth of the uterus. The hCG levels are often elevated in cases of hydatidiform mole, resulting in excessive uterine growth.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is not provided.
**Option B:** This option is not provided.
**Option C:** This option is not provided.
**Option D:** Although the exact percentage is not specified, option D is likely incorrect as it does not provide a specific percentage.
**Clinical Pearl / High-Yield Fact**
In patients with hydatidiform mole, it is essential to monitor hCG levels regularly to assess the effectiveness of treatment and to detect any potential complications, such as persistent gestational trophoblastic neoplasia (GTN).
**Correct Answer:** 20. 20% of patients with hydatidiform mole have a uterus height more than expected for the period of amenorrhea.