What symptom is frequently associated with a hydatidiform mole?

Severe hyperemesis, which is an extreme form of morning sickness characterized by persistent nausea and vomiting, is frequently associated with a hydatidiform mole. This condition arises due to the abnormal proliferation of trophoblastic tissue, leading to excessively high levels of human chorionic gonadotropin (hCG). The elevated hCG can trigger severe hyperemesis in some women, making this symptom particularly indicative of a hydatidiform mole.

In the context of other symptoms, frequent urination, low back pain, and pelvic pressure might occur during pregnancy in general, but they are not specific or frequently associated with hydatidiform moles. Hydatidiform moles typically lead to more pronounced symptoms, with severe hyperemesis being one of the hallmark presentations due to the hormonal changes and increased ovarian activity caused by the mole.