This pt has had missed miscarriage on USS on 19th May ,following D n C and evacuation. On histology it showed H.Mole...So now its been 9weeks post D n C, her Beta HCG has dropped from 273 to 46.5 mIU/ml. But its still high. What is your expert opinion?

Menstrual cycle has not resumed yet. Contraception, she said withdrawal method. Husband doesn't like condoms!