Welcome in H.C.M.
I have gone through your query regarding miscarriage
again and again. Here I would like to suggest you to get yourself checked by obstetrician to rule out any local cause of recurrent miscarriage as infection etc otherwise hormonal factor should be considered and for that consultation with endocrinologist
will be necessary.
Your lower abdominal pain
is in favor of pelvic inf condition and a thorough examination will give us clue.
Your general examination by a physician is also necessary to rule out systemic conditions interfering in pregnancy
I hope this will help you.