Gynaecology & Obstetrics The essential investigation to be included In follow-up of hydatidiform mole is : A Ultrasound abdomen B Chest X ray C Serum levels of HCG D Serum levels of TSH 💡 Explanation The essential investigation to be included In follow-up of hydatidiform mole is : ✓ Correct Answer: C. Serum levels of HCG