Depot shot is very much effective in preventing unwanted pregnancy
and to be taken once in 3 months. It has failure rate less than 0.3 per HWY. But there has several side effects like irregular heavy period, long time amenorrhoea, prolonged infertility
after discontinuation, body wt change, headache, breast tenderness etc.
Here, you need to undergo one USG scan and hormonal
assay including thyroid profile to rule out the underlying uterine pathology or any other factors.
You may take some anti spasmodic medication to get relief from abdominal cramp
, take healthy diet with iron supplements
, drink more fluids/ water and maintain genital hygiene properly.
Be well & take care.