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  2. Sexual maturity - Wikipedia

    en.wikipedia.org/wiki/Sexual_maturity

    Sexual maturity is the capability of an organism to reproduce.In humans, it is related to both puberty and adulthood. [1] Puberty is the biological process of sexual maturation, while adulthood, the condition of being socially recognized as an independent person capable of giving consent and taking responsibility, generally implies sexual maturity (certain disorders of sexual development ...

  3. Menarche - Wikipedia

    en.wikipedia.org/wiki/Menarche

    In some Indian communities, young women are given a special menarche ceremony called Ruthu Sadangu. [45] The Mescalero Apaches place high importance on their menarche ceremony and it is regarded as the most important ritual in their tribe. Each year, there is an eight-day event celebrating all of the girls who have menstruated in the past year.

  4. Development of the human body - Wikipedia

    en.wikipedia.org/wiki/Development_of_the_human_body

    In biological terms, human development entails growth from a one-celled zygote to an adult human being. Fertilization occurs when the sperm cell successfully enters and fuses with an egg cell . [2] The genetic material of the sperm and egg then combine to form a single cell called a zygote and the germinal stage of prenatal development commences.

  5. Puberty - Wikipedia

    en.wikipedia.org/wiki/Puberty

    Within 6–12 months, the swelling has clearly begun in both sides, softened, and can be felt and seen extending beyond the edges of the areolae. This is stage 3 of breast development. By another 12 months (stage 4), the breasts are approaching mature size and shape, with areolae and nipples forming a secondary mound. In most young women, this ...

  6. 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]

  7. 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 ...

  8. Breast development - Wikipedia

    en.wikipedia.org/wiki/Breast_development

    Despite the apparent necessity of GH/IGF-1 signaling in pubertal breast development however, women with Laron syndrome, in whom the growth hormone receptor (GHR) is defective and insensitive to GH and serum IGF-1 levels are very low, puberty, including breast development, is delayed, although full sexual maturity is always eventually reached. [15]

  9. Tanner scale - Wikipedia

    en.wikipedia.org/wiki/Tanner_scale

    The Tanner scale (also known as the Tanner stages or sexual maturity rating (SMR)) is a scale of physical development as pre-pubescent children transition into adolescence, and then adulthood. The scale defines physical measurements of development based on external primary and secondary sex characteristics , such as the size of the breasts ...