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  2. Age and female fertility - Wikipedia

    en.wikipedia.org/wiki/Age_and_female_fertility

    The average age of a girl's first period is 12 to 13 (12.5 years in the United States, [6] 12.72 in Canada, [7] 12.9 in the UK [8]) but, in postmenarchal girls, about 80% of the cycles are anovulatory in the first year after menarche, which declines to 50% in the third year, and to 10% by the sixth. [9]

  3. Sexually active life expectancy - Wikipedia

    en.wikipedia.org/wiki/Sexually_active_life...

    Age-related factors can be identified through the decline of health. This can include declining fitness and mobility levels. Biological changes, such as menopause for women, can cause an unpleasant experience during sex. This can include painful intercourse and a lack of sex drive, however, many women have reported that not having to worry ...

  4. Birth control - Wikipedia

    en.wikipedia.org/wiki/Birth_control

    Birth control, also known as contraception, anticonception, and fertility control, is the use of methods or devices to prevent pregnancy. [1] [2] Birth control has been used since ancient times, but effective and safe methods of birth control only became available in the 20th century. [3]

  5. Pregnancy over age 50 - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_over_age_50

    Pregnancy over the age of 50 has become possible for more women because of advances in assisted reproductive technology, in particular egg donation. Typically, a woman's fecundity ends with menopause , which, by definition, is 12 consecutive months without any menstrual flow at all.

  6. Age of consent in the United States - Wikipedia

    en.wikipedia.org/wiki/Age_of_consent_in_the...

    For the purposes of age of consent, the only provision applicable is {Chapter 109A, 18 U.S.C. 2243(a)}. 2243(a) refers to situations where such younger person is under the age of 16 years, has attained 12 years of age, and the older person is more than 4 years older than the 12-to-15-year-old (children under 12 are handled under 18 U.S.C. 2241 ...

  7. Motion picture content rating system - Wikipedia

    en.wikipedia.org/wiki/Motion_picture_content...

    18+: 18 ans et plus (18 years and over) – May be viewed, rented or purchased only by persons 18 years of age or over. If a film contains real and explicit sexual activity "Explicit sexuality" is appended to the classification, and in the retail video industry storeowners are required to place the film in a room reserved for adults.

  8. Age of consent by country - Wikipedia

    en.wikipedia.org/wiki/Age_of_consent_by_country

    The age of consent is the age at which a person is considered to be legally competent to consent to sexual acts and is thus the minimum age of a person with whom another person is legally permitted to engage in sexual activity. The distinguishing aspect of the age of consent laws is that the person below the minimum age is regarded as the ...

  9. Age of consent in North America - Wikipedia

    en.wikipedia.org/wiki/Age_of_consent_in_North...

    The age of consent is the age at or above which a person is considered to have the legal capacity to consent to sexual activity. Both partners must be of legal age to give consent, although exceptions to the age of consent law exist in some jurisdictions when the minor and their partner are within a certain number of years in age or when a minor is married to his/her partner.