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The prevalence of fear of childbirth around the world ranges between 4–25%, with 3–7% of pregnant women having clinical fear of childbirth. [136] [137] Although pain may be seen as a self-evident and indisputable fact, in reality pain is only one sensation of childbirth. There are many other sensations such as bliss, joy and satisfaction ...
Maternal health is the health of people during pregnancy, childbirth, and the postpartum period.In most cases, maternal health encompasses the health care dimensions of family planning, preconception, prenatal, and postnatal care in order to ensure a positive and fulfilling experience.
Birth is a quarterly peer-reviewed medical journal covering research on childbirth and related topics. It was established in 1973 as Birth and the Family Journal, with as its founding editor-in-chief Madeleine H. Shearer, [1] obtaining its current name in 1982. [2] It is published by John Wiley & Sons and the editor-in-chief is Melissa Cheyney.
In order to have this many neurons at birth, the fetus's brain must produce neurons at the rate of 250,000 per minute. [3] At birth, every cortical neuron is connected with about 2500 neurons; after a year, with about 15 000. [5] Synapses develop, and are destroyed, over the whole life span – a process called neuroplasticity.
The impact factor relates to a specific time period; it is possible to calculate it for any desired period. For example, the JCR also includes a five-year impact factor, which is calculated by dividing the number of citations to the journal in a given year by the number of articles published in that journal in the previous five years. [14] [15]
[5] [13] Pregnancy is "the presence of an implanted human embryo or fetus in the uterus"; implantation occurs on average 8–9 days after fertilization. [15] An embryo is the term for the developing offspring during the first seven weeks following implantation (i.e. ten weeks' gestational age), after which the term fetus is used until birth. [5]
The obstetrical dilemma is a hypothesis to explain why humans often require assistance from other humans during childbirth to avoid complications, whereas most non-human primates give birth unassisted with relatively little difficulty. This occurs due to the tight fit of the fetal head to the maternal birth canal, which is additionally ...
Economic theories about declining fertility postulate that people earning more have a higher opportunity cost if they focus on childbirth and parenting rather than continuing their careers, [1] that women who can economically sustain themselves have less incentive to become married, [1] and that higher income parents value quality over quantity ...