41. Also, having an abnormal absence of menstrual periods before reaching menopause is an important risk factor. 42. The EDC can be changed if sonography and the last menstrual period are not in agreement. 43. In 1987, a gynecologist put her on megace, a progesterone drug, to regulate her menstrual periods . 44. RU-486 can be given up to seven weeks after the start of the last menstrual period . 45. Doctors say there is no harm for women on birth-control pills to skip the menstrual period . 46. When using progestogen implants, menstruation may be reduced to 3 or 4 menstrual periods per year. 47. She ovulated and had a normal menstrual period . 48. The treatment worked : she ovulated, and then had a menstrual period , like any fertile woman. 49. The underlying thinking is that seemingly arbitrary processes, from allergies to menstrual periods , serve a purpose. 50. Veda's wife was then in her menstrual period .
