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2. Superfecundation - Wikipedia

   en.wikipedia.org/wiki/Superfecundation

   Superfecundation is the fertilization of two or more ova from the same cycle by sperm from separate acts of sexual intercourse, which can lead to twin babies from two separate biological fathers. [1] [2] The term superfecundation is derived from fecund, meaning able to produce offspring. Homopaternal superfecundation is fertilization of two ...

3. Donor conceived person - Wikipedia

   en.wikipedia.org/wiki/Donor_conceived_person

   A donor offspring, or donor conceived person, is conceived via the donation of sperm ( sperm donation) or ova ( egg donation ), or both (either from two separate donors or from a couple). For donor conceived people, the biological parent (s) who "donated" sperm or eggs (though most commonly "donors" are financially compensated so "donor", while ...

4. Calendar-based contraceptive methods - Wikipedia

   en.wikipedia.org/wiki/Calendar-based...

   Calendar-based methods are various methods of estimating a woman 's likelihood of fertility, based on a record of the length of previous menstrual cycles. Various methods are known as the Knaus–Ogino method and the rhythm method. The standard days method is also considered a calendar-based method, because when using it, a woman tracks the ...

5. Suleman octuplets - Wikipedia

   en.wikipedia.org/wiki/Suleman_octuplets

   Suleman octuplets. The Suleman octuplets are six male and two female children conceived via in vitro fertilization (IVF) and subsequently born to Nadya Suleman on January 26, 2009, in Bellflower, California. Residing in Lancaster, California, they are the first known octuplets to survive their infancy. The extremely controversial circumstances ...

6. Legitimacy (family law) - Wikipedia

   en.wikipedia.org/wiki/Legitimacy_(family_law)

   Legitimacy, in traditional Western common law, is the status of a child born to parents who are legally married to each other, and of a child conceived before the parents obtain a legal divorce. Conversely, illegitimacy, also known as bastardy, has been the status of a child born outside marriage, such a child being known as a bastard, a love ...

7. Telegony (inheritance) - Wikipedia

   en.wikipedia.org/wiki/Telegony_(inheritance)

   Telegony is a theory of heredity holding that offspring can inherit the characteristics of a previous mate of the female parent; thus the child of a woman might partake of traits of a previous sexual partner.

8. Paternity Index - Wikipedia

   en.wikipedia.org/wiki/Paternity_Index

   Paternity Index. In paternity testing, Paternity Index (PI) is a calculated value generated for a single genetic marker or locus (chromosomal location or site of DNA sequence of interest) and is associated with the statistical strength or weight of that locus in favor of or against parentage given the phenotypes of the tested participants and ...

9. Presumption of paternity - Wikipedia

   en.wikipedia.org/wiki/Presumption_of_paternity

   Presumption of paternity in paternity law and common law is the legal determination that a man is "presumed to be" a child's biological father without additional supportive evidence, usually as a result of marriage. Generally associated with marriage, [1] a presumption of paternity can also be made by court order, contact over time with a child ...