Preterm labor
Preterm Labor
Preterm labor (pronounced: pree-term lay-bor), also known as premature labor, is a condition that occurs when the body starts preparing for birth too early in pregnancy, specifically before 37 weeks of gestation.
Etymology
The term "preterm" is derived from the Latin words "prae", meaning "before", and "term", meaning "end or limit". The term "labor" is derived from the Latin "laborare", meaning "to work". Thus, preterm labor refers to the onset of labor before the end of the normal gestation period.
Definition
Preterm labor is defined as regular contractions of the uterus resulting in changes in the cervix that start before 37 weeks of pregnancy. Changes in the cervix include effacement (the cervix thins out) and dilation (the cervix opens to allow the fetus to enter the birth canal).
Causes
The exact causes of preterm labor are not known. However, certain risk factors have been identified, including carrying more than one baby, history of preterm labor, certain infections, and certain chronic conditions such as high blood pressure or diabetes.
Symptoms
Symptoms of preterm labor include regular or frequent sensations of abdominal tightening (contractions), a constant low, dull backache, a sensation of pelvic or lower abdominal pressure, and a change in vaginal discharge.
Diagnosis
Diagnosis of preterm labor is based on the presence of contractions and changes in the cervix. Tests may include a pelvic exam to check the cervix, a ultrasound to check the baby's size and position, and lab tests to check for signs of infection.
Treatment
Treatment for preterm labor may include medications to stop the contractions or to speed up the baby's lung development, bed rest, and hydration. In some cases, hospitalization may be required.
Related Terms
- Premature birth: Birth that occurs before 37 weeks of pregnancy.
- Cervix: The lower part of the uterus that opens into the vagina.
- Ultrasound: A test that uses sound waves to create images of the inside of the body.
External links
- Medical encyclopedia article on Preterm labor
- Wikipedia's article - Preterm labor
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