30.
| a. | are typical of the early years after the menarche. | |
| b. | are associated with endometrial hyperplasia. | |
| c. | are associated with dysmenorrhoea. | |
| d. | are a risk factor for ovarian cancer. | |
| e. | may be due to polycystic ovary syndrome. | |
| f. | should be treated with clomiphene. | |
| g. | are a contraindication to the combined oral contraceptive. | |
| h. | are associated with menstrual cycles of variable length. | |
| i. | are common after the menopause. |