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Pelvimetry is the measurement of the female pelvis. [1] It can theoretically identify cephalo-pelvic disproportion, which is when the capacity of the pelvis is inadequate to allow the fetus to negotiate the birth canal. However, clinical evidence indicate that all pregnant women should be allowed a trial of labor regardless of pelvimetry results.
In obstetrics, position is the orientation of the fetus in the womb, identified by the location of the presenting part of the fetus relative to the pelvis of the mother. . Conventionally, it is the position assumed by the fetus before the process of birth, as the fetus assumes various positions and postures during the course of chil
[8] [9] A woman's breasts grow during pregnancy, typically 1 to 2 cup sizes. [10] A woman who wore a C cup bra prior to her pregnancy may need to buy an F cup or larger bra while nursing. [11] A woman's torso also grows and her bra band size may increase one or two sizes. [12]
There is also a 54% decreased incidence of foetal heart rate abnormalities when the mother is upright. [9] These birthing positions can also reduce the duration of the second stage of labour [10] as well as reduce the risk for emergency caesarian sections by 29%. [11] They are also associated with the lower need for epidural. [11]
[7] [8] [11] The scholars behind the essays themselves come from numerous academic backgrounds. [11] [12] [9] Davis-Floyd is quoted to have said that the purpose of the book is to "act both as a useful source of information about birth across cultures and as a charter for future research and further growth in the field." [13]
The same human pelvis, front imaged by X-ray (top), magnetic resonance imaging (middle), and 3-dimensional computed tomography (bottom). The pelvis (pl.: pelves or pelvises) is the lower part of an anatomical trunk, [1] between the abdomen and the thighs (sometimes also called pelvic region), together with its embedded skeleton [2] (sometimes also called bony pelvis or pelvic skeleton).
[2] [3] In their edited collection, Childbirth and Authoritative Knowledge: Cross-Cultural Perspectives, Robbie E. Davis-Floyd and Carolyn F. Sargent praised the book for focusing "anthropological attention on childbirth as a subject worthy of in-depth ethnographic fieldwork and cross-cultural comparison, and that inspired many others to enter ...
The uterus provides mechanical protection, nutritional support, and waste removal for the developing embryo (weeks 1 to 8) and fetus (from week 9 until the delivery). In addition, contractions in the muscular wall of the uterus are important in pushing out the fetus at the time of birth.