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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 ...
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 ...
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.
Gender studies is an interdisciplinary academic field devoted to analysing gender identity and gendered representation. Gender studies originated in the field of women's studies, concerning women, feminism, gender, and politics. [1] [2] The field now overlaps with queer studies and men's studies.
Sex determination ban in India. Prenatal sex determination was banned in India in 1994, under the Pre-Conception and Pre-Natal Diagnostic Techniques Act, 1994. [6] The act aims to prevent sex-selective abortion, which, according to the Indian Ministry of Health and Family Welfare, "has its roots in India's long history of strong patriarchal influence in all spheres of life".
The majority of IVF-conceived infants do not have birth defects. [13] However, some studies have suggested that assisted reproductive technology is associated with an increased risk of birth defects. [14] [15] Artificial reproductive technology is becoming more available. Early studies suggest that there could be an increased risk for medical ...
For example, Webster's Dictionary defined "pregnant" (or "pregnancy") as "having conceived" (or "the state of a female who has conceived"), in its 1828 and 1913 editions. [22] However, in the absence of an accurate understanding of human development, early notions about the timing and process of conception were often vague.
The term gender binary describes the system in which a society allocates its members into one of two sets of gender roles and gender identities, which assign attributes based on their biological sex (chromosomal and genitalia). [12] In the case of intersex people, the gender binary system is limited. Those who are intersex have rare genetic ...