HOURGLASS CONTRACTION Meaning and
Definition
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Hourglass contraction refers to a phenomenon that occurs during labor, specifically during the second stage of childbirth when the cervix is fully dilated, and the woman begins to push. It is characterized by a constriction or narrowing of the fetus's head, creating an hourglass shape as it passes through the birth canal.
During an hourglass contraction, the upper part of the fetus's head passes through the birth canal smoothly, while the lower part becomes constricted at a particular point. This constriction results from the uneven stretching of the surrounding muscles and tissues, causing a temporary obstruction to the smooth descent of the baby. As a result, the progression of labor may slow down, leading to prolonged pushing and increased discomfort for the mother.
Hourglass contractions can occur due to various reasons, including the position of the baby, the size of the pelvis, or other anatomical factors. Additionally, they may be associated with fetal distress or complications, such as fetal head molding.
To manage hourglass contractions, healthcare providers may suggest various interventions, depending on the severity and duration. These interventions may include changing the woman's position, administering pain relief medications, or in some cases, performing a cesarean section.
While hourglass contractions present challenges during childbirth, they are typically resolved as the baby's head eventually passes through the narrow point and is born. Medical professionals are trained to monitor and address such complications to ensure the safe delivery of the baby and the well-being of the mother.
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Constriction of the middle portion of a hollow organ, such as the stomach or the gravid uterus.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for HOURGLASS CONTRACTION
- h ourglass contraction
- ho urglass contraction
- hou rglass contraction
- hour glass contraction
- hourg lass contraction
- hourgl ass contraction
- hourgla ss contraction
- hourglas s contraction
- hourglass c ontraction
- hourglass co ntraction
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- hourglass contracti on
- hourglass contractio n
Etymology of HOURGLASS CONTRACTION
The term "hourglass contraction" is derived from the combination of "hourglass" and "contraction".
- "Hourglass" refers to a device used to measure time called an hourglass or sand clock. This device consists of two glass bulbs connected by a narrow neck that allows sand to flow slowly from the upper bulb to the lower one, usually taking exactly one hour to complete the process. The name likely came from the shape of the device, which resembles an old-fashioned waist-squeezing garment known as a corset or bodice often used in the shape of an hourglass to create an appealing aesthetic.
- "Contraction" refers to the act of contracting or becoming smaller or narrower. In the context of physiology, particularly in obstetrics, a contraction refers to the tightening and shortening of the uterine muscles during labor.
