 [ Symptoms ] my daughter is bloated nauseous has sharp pains in her lower abdomen and has not had a period for 4 months [ Disease ] ovarian cysts vcoulf recur of course but it is not a dangerous thing as long as we r following upshe is 15 years it is v common to have also irritable bowel syndrome or abdominal migraine full check up with gynecologist is gonna be great to adjust her periods also doing her the basic tests cbc thyroid function hormonal essay is a mustfollow up her height and weight may be she needs referral to pediatrician