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  2. One-sex and two-sex theories - Wikipedia

    en.wikipedia.org/wiki/One-sex_and_two-sex_theories

    According to Laqueur, prior to the eighteenth century it was acknowledged that there were physical differences between the sex organs of men and women, but these differences were never made to be of significance; "no one was much interested in looking for evidence of two distinct sexes, at the anatomical and concrete physiological differences between men and women, until such differences ...

  3. Sex selection - Wikipedia

    en.wikipedia.org/wiki/Sex_selection

    Chinese Gender Calendar was buried in an imperial mausoleum with a history of over 300 years. It was calculated and deduced by the ancient Chinese based on Yin-Yang, Five Elements, Eight Diagrams and time. [59] This calendar is a simple chart who matches the day of conception of the future child with the age of the mother at the day of conception.

  4. Age and female fertility - Wikipedia

    en.wikipedia.org/wiki/Age_and_female_fertility

    44% will have a conception ending in a live birth within one year; 64% will have a conception ending in a live birth within four years [13] According to a study done on a sample of 782 healthy European couples ages 19–39, fertility starts declining after age 27 and drops at a somewhat greater rate after age 35.

  5. Shettles method - Wikipedia

    en.wikipedia.org/wiki/Shettles_Method

    Multiple studies have confirmed Dr. Shettles's findings that the larger X-bearing, female producing spermatozoa are hardier, another factor that is important in his method. Men who work at high altitudes, in high heat environments and in situations that expose them to various toxic substances and other forms of physiological stress have been ...

  6. Pregnancy - Wikipedia

    en.wikipedia.org/wiki/Pregnancy

    Pre-conception counseling is care that is provided to a woman or couple to discuss conception, pregnancy, current health issues and recommendations for the period before pregnancy. [88] Prenatal medical care is the medical and nursing care recommended for women during pregnancy, time intervals and exact goals of each visit differ by country. [89]

  7. Gendered sexuality - Wikipedia

    en.wikipedia.org/wiki/Gendered_sexuality

    A study by McCabe, Tanner & Heiman [2] illustrates that gender, at least in the Western world, informs how we understand and conceive of the construct of sexuality. Their study was aimed to discover how men and women gender their meanings of sex and sexuality, if at all, and their results suggest that men and women do talk about sex and ...

  8. Sexual identity - Wikipedia

    en.wikipedia.org/wiki/Sexual_identity

    Various studies have shown that gender identity can be affected by family conditions, educational environment, society and media. In other words, in conservative societies, people face different challenges to express their gender identity if they have a gender identity different from the norm of the society. [49] [50] [51] [52]

  9. Sociology of gender - Wikipedia

    en.wikipedia.org/wiki/Sociology_of_gender

    The US media is also criticized for displaying images which depict violence against women. Studies have revealed ways in which women are maimed, sliced, and raped in advertising images. [8] However, the media is a product of different cultural values. Western culture creates cultural gender roles based on the meanings of gender and cultural ...