I have Heat flashes at night and head aches, I...

What are the causes of pelvic pain,hot flashes,headache, irregular period?
Hormonal imbalances
Tumors on the pituitary gland
Hyperthyroidism
Low levels of estrogen
High testosterone levels
 Some medical treatments and drugs, such as chemotherapy and antipsychotics, Depo-Provera.
Some cases, such as polycystic ovary syndrome (PCOS), can lead to hormonal imbalances that lead to the growth of ovarian cysts. Ovulation bags are benign or non-cancerous lumps that develop in the ovaries.
Scar tissue caused by pelvic infection or multiple scaling and abrasion (D and C) .
Lifestyle factors
Body weight can affect too. Women who are overweight or who have less than 15% of body fat may stop getting menstrual periods. This is especially true for athletes who train extensively or excessively.
Emotional stress is another possible cause, Your body may respond to extreme stress by disrupting your normal menstrual cycle.
Treatment of pelvic pain,hot flashes,headache, irregular period
Treatment varies according to the underlying cause of your condition. Hormonal imbalances can be treated with complementary or synthetic hormones.
Removal of ovarian cysts or scar tissue or adhesions to the uterus causing menstrual loss
Make certain changes in your lifestyle if your exercise routine contributes to your condition
treatment of pelvic inflamatory disease by antibiotics