Depot shot is very much effective in preventing unwanted pregnancy and to be taken once in 3 months.But there are several side effects like irregular period including long time amenorrhoea,
prolonged infertility(9-12 months) after discontinuation, wt change, headache etc.
So consult with your doctor for physical examination and initial investigation like husband semen analysis
, hormone assay (LH/FSH, estrogen & Progesterone
level), Thyroid profile, Test for ovulation & tubal patency, One ultrasound
for pelvic pathology.
Proper treatment depends on underlying causative factor. Also use ovulation prediction
kit to predict ovulation which occurs 14 days before due date. Proper timing of ovulation & unprotected sex is essential to conceive.
Avoid stress,take healthy diet with Vit-E & Folic acid
supplements,control body wt and proper sleep.