Muammar Gaddafi said this quote

Women are females and men are males. According to gynaecologists, women menstruate every month or so, while men, being male, do not menstruate or suffer during the monthly period. A women, being female, is naturally subject to monthly bleeding. When a women does not menstruate, she is pregnant. If she is pregnant, she becomes, due to pregnancy, less active for about a year.