In a woman on subdermal progesterone implant, the menstrual abnormality seen is -

Ans-B i.e.,. Metrorrhagia (Ref : Dutta, 6/e, p 549 (5th/e, p 587), Shaw's 13/e, p 231 (p179)).The major disadvantage of subdermal progesterone implant is breakthrough bleeding and irregular cycles.The other common symptom is seen after progesterone administration are also seen with it. These are :AmenorrhoeaBreast engorgement Increase Blood sugarI have gone for option (b) because in each book I looked it was given as the first and the most important symptom.