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of or pertaining to the upper chest, the area above the breast and under the neck Greek στῆθος (stêthos), chest, cuirass: stethoscope: stheno-strength, force, power Greek σθένος (sthénos) stom-, stomat-of or pertaining to the mouth; an artificially created opening [12] Greek στόμᾰ, στοματ-(stóma, stomat-), mouth
Different terms are used to describe prenatal development, meaning development before birth. A term with the same meaning is the "antepartum" (from Latin ante "before" and parere "to give birth") Sometimes "antepartum" is however used to denote the period between the 24th/26th week of gestational age until birth, for example in antepartum ...
Development before birth, or prenatal development (from Latin natalis ' relating to birth ') is the process in which a zygote, and later an embryo, and then a fetus develops during gestation. Prenatal development starts with fertilization and the formation of the zygote , the first stage in embryonic development which continues in fetal ...
During the birth of a child, men were rarely present. Women from the neighbourhood or family would join in on the process of birth and assist in many different ways. [108] The one position where men would help with the birth of a child would be in the sitting position, usually when performed on the side of a bed to support the mother. [77]: 130
If detected during delivery, management includes trying to unwrap the cord or if this is not possible clamping and cutting the cord. [2] Delivery can typically take place as normal and outcomes are generally good. [5] [1] Rarely long term brain damage or cerebral palsy may occur. [1] [6] Nuchal cords occur in about a quarter of deliveries. [2]
Preterm birth is the most common cause of perinatal mortality, causing almost 30 percent of neonatal deaths. [7] Infant respiratory distress syndrome, in turn, is the leading cause of death in preterm infants, affecting about 1% of newborn infants. [8] Birth defects cause about 21 percent of neonatal death. [7]
From birth, the ovaries of the human female contain many immature, primordial follicles. These follicles each contain a similarly immature primary oocyte . At puberty , clutches of follicles begin folliculogenesis, entering a growth pattern that ends in ovulation (the process where the oocyte leaves the follicle) or in atresia (death of the ...
The amniotic sac, also called the bag of waters [1] [2] or the membranes, [3] is the sac in which the embryo and later fetus develops in amniotes.It is a thin but tough transparent pair of membranes that hold a developing embryo (and later fetus) until shortly before birth.