Highlights•At high hCG levels in molar pregnancies, a “hook effect” can cause an artificially
negative value.•Delay in diagnosis of a molar pregnancy due to the “hook effect” can lead to …

Urine pregnancy tests are widely used in emergency departments as the first screening test
for patients of reproductive age presenting with gynaecological problems in order to rule out …

Molar pregnancy is a rare complication of pregnancy and the diagnosis is usually confirmed
with a markedly elevated β-hCG and a “snowstorm” appearance on pelvic ultrasound …

Hydatidiform molar pregnancy occurs as a proliferative disorder of trophoblastic cells.
Complete hydatidiform moles present with abnormally high levels of human chorionic …

OBJECTIVE: We evaluated the risk of gestational trophoblastic neoplasia (GTN) for women
with partial molar pregnancy whose human chorionic gonadotropin (hCG) levels fall …

OBJECTIVE To determine how often patients with molar pregnancy do not complete
recommended follow-up and to identify factors that may predict failure to complete human …

Objective To evaluate spontaneous regression curves of hCG serum positivity in patients
with surgically treated molar pregnancies. Comparison of complete, partial and invasive …

OBJECTIVE: Complete hydatidiform molar pregnancies occur in approximately 1 of 1,000
conceptions. After uterine evacuation of the trophoblastic tissue, women are followed up with …

Background: In some cases of gestational trophoblastic disease, a large amount of serum
[beta]-hCG may lead to the high-dose" hook effect" with falsely low serum levels, creating …

This case describes an atypical presentation of molar pregnancy in an emergency
department patient with abdominal pain and vaginal bleeding. The patient demonstrated …