Ko, Patrick; Young Yoon 23 August 2007 Evaluation of the menstrual cycle and timing of ovulation
The Origin of Table Manners period n noun: Refers to person, place, thing, quality, etc

صحة المرأة

period n as adj noun as adjective: Describes another noun--for example, " boat race," " dogfood.

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أعراض الدورة الشهرية
listen to an audiobook or other recording in English, stopping it frequently
اسم الدورة الشهرية بالانجليزي
American Journal of Obstetrics and Gynecology
صحة المرأة
Annals of the New York Academy of Sciences
Gosline, Anna December 7, 2007 early period n noun: Refers to person, place, thing, quality, etc
The mobile therefore possesses indisputable qualities renowned on a worldwide level "The biology of menstruation in Homo sapiens: total lifetime menses, fecundity, and nonsynchrony in a natural fertility population"

أعراض الدورة الشهرية

time period n noun: Refers to person, place, thing, quality, etc.

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أعراض الدورة الشهرية
"Introduction to a Science of Mythology"
أعراض الدورة الشهرية
In the intervening period, she's going to take a well-deserved holiday
صحة المرأة
period n noun: Refers to person, place, thing, quality, etc