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Gestational age is contrasted with fertilization age, which takes the date of fertilization as the start date of gestation. There are different approaches to defining the start of a pregnancy. This definition is unusual in that it describes women as becoming "pregnant" about two weeks before they even had sex.
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. [87] 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. [88]
Fertilization was not understood in antiquity. Hippocrates believed that the embryo was the product of male semen and a female factor. But Aristotle held that only male semen gave rise to an embryo, while the female only provided a place for the embryo to develop, [5] a concept he acquired from the preformationist Pythagoras.
It further says that Jesus's conception was announced when John's mother was sixth months pregnant. [128] English suggests that John was conceived on Yom Kippur, and dates this to the autumn equinox the year before Jesus's birth. [128] He thus dates Jesus's conception to the following spring equinox and concludes that Jesus was born on 25 ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 6 January 2025. Procreative biological processes of humanity Part of a series on Sex Biological terms Sexual dimorphism Sexual differentiation Feminization Virilization Sex-determination system XY XO ZW ZO Temperature-dependent Haplodiploidy Heterogametic sex Homogametic sex Sex chromosome X chromosome Y ...
The Immaculate Conception is the belief that the Virgin Mary was free of original sin from the moment of her conception. [1] It is one of the four Marian dogmas of the Catholic Church. [ 2 ] Debated by medieval theologians, it was not defined as a dogma until 1854, [ 3 ] by Pope Pius IX in the papal bull Ineffabilis Deus . [ 4 ]
35: The angel said to her, "The Holy Spirit will come upon you, and the power of the Most High will overshadow you; therefore the child to be born will be holy; he will be called Son of God. 36: And now, your relative Elizabeth in her old age has also conceived a son; and this is the sixth month for her who was said to be barren.
The estimated date of delivery (EDD), also known as expected date of confinement, [1] and estimated due date or simply due date, is a term describing the estimated delivery date for a pregnant woman. [2] Normal pregnancies last between 38 and 42 weeks. [3] Children are delivered on their expected due date about 4% of the time. [4]