"He reviews unusual circumstances such as intermenstrual bleeding, bleeding due to intercourse and bleeding due to non-menstrual causes and the halakhic difficulties involved."
"When contraception is allowed, the choice of methods is based on freedom from medical complications (especially intermenstrual bleeding), efficacy, non - interference with coitus or pleasure, non-active destruction of sperm and that it is temporary."
"Changes in menstrual flow spotting, breakthrough bleeding, amenorrhoea temporary intermenstrual bleeding, changes in libido, depressive moods, abdominal cramping or bloating and dizziness may occur."