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  2. Female reproductive system - Wikipedia

    en.wikipedia.org/wiki/Female_reproductive_system

    The uterus (or womb) accommodates the embryo by developing the uterine lining. The uterus also produces secretions which help the transit of sperm to the fallopian tubes, where sperm fertilize the ova. During the menstrual cycle, the ovaries release an ovum, which

  3. Menstrual cycle - Wikipedia

    en.wikipedia.org/wiki/Menstrual_cycle

    Menstrual cycle The menstrual cycle is a series of natural changes in hormone production and the structures of the uterus and ovaries of the female reproductive system that makes pregnancy possible. The ovarian cycle controls the production and release of eggs and the cyclic release of estrogen and progesterone. The uterine cycle governs the preparation and maintenance of the lining of the ...

  4. File:Views of a Foetus in the Womb detail.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Views_of_a_Foetus_in...

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  5. Pregnancy - Wikipedia

    en.wikipedia.org/wiki/Pregnancy

    The womb will grow to the size of a lemon by eight weeks. Many symptoms and discomforts of pregnancy, such as nausea and tender breasts, appear in the first trimester. [56] During the second trimester, most women feel more energized and put on weight as the symptoms of morning sickness subside.

  6. Uterus - Wikipedia

    en.wikipedia.org/wiki/Uterus

    The uterus (from Latin uterus, pl.: uteri or uteruses) or womb (/ w uː m /) is the organ in the reproductive system of most female mammals, including humans, that accommodates the embryonic and fetal development of one or more fertilized eggs until birth. [1]

  7. Menstruation - Wikipedia

    en.wikipedia.org/wiki/Menstruation

    Diagram illustrating how the uterus lining builds up and breaks down during the menstrual cycle Menstruation (also known as a period, among other colloquial terms) is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina. The menstrual cycle is characterized by the rise and fall of hormones. Menstruation is triggered by falling progesterone ...

  8. Human reproduction - Wikipedia

    en.wikipedia.org/wiki/Human_reproduction

    Chance of fertilization by menstrual cycle day relative to ovulation [14] Pregnancy rates for sexual intercourse are highest during the menstrual cycle time from some 5 days before until 1 to 2 days after ovulation. [15] For optimal pregnancy chance, there are recommendations of sexual intercourse every 1 or 2 days, [16] or every 2 or 3 days. [17]

  9. Prenatal development - Wikipedia

    en.wikipedia.org/wiki/Prenatal_development

    A baby born within the normal range of weight for that gestational age is known as appropriate for gestational age (AGA). An abnormally slow growth rate results in the infant being small for gestational age, while an abnormally large growth rate results in the infant being large for gestational age.