Abnormal uterine bleeding

Question 1

What are the causes of intermenstrual bleeding?

Answer 1

ovulation (spotting)
contraception 
infective- endometriosis
structural benign- polyps, fibroids
malignancy- endometrial ca
cervical ectropion 
cervical cancer

Question 2

What are the causes of postcoital bleeding?

Answer 2

cervical cancer
cervical/vaginal trauma
cervical polyp

Question 3

What are the causes of postmenopausal bleeding?

Answer 3

endometrial cancer 
polyps
fibroids
atrophic vaginitis
ovarian/vaginal cancer