rhythm method
معنی کامل و مثالها
● روش تنظیم خانواده (جلوگیری از آبستنی) از راه شناخت دوران باروری زن
تعریف انگلیسی
noun
- natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle)