4. Menstruation takes place every … days. A. 10-15 B. 15-20 C. 20-25 D. 25-30 5. To ensure good menstrual hygiene … is commonly used during menstruation. A. handkerchief B. hand towel C. sanitary pad D. lips gloss 6. One of the following is not a sign of pregnancy. A. Menstruation stops B. Breasts become…