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Preterm birth, also known as premature birth, is the birth of a baby at fewer than 37 weeks gestational age, as opposed to full-term delivery at approximately 40 weeks. [1] Extreme preterm [ 2 ] is less than 28 weeks, very early preterm birth is between 28 and 32 weeks, early preterm birth occurs between 32 and 34 weeks, late preterm birth is ...
Prelabor rupture of membranes (PROM), previously known as premature rupture of membranes, is breakage of the amniotic sac before the onset of labour. [2] Women usually experience a painless gush or a steady leakage of fluid from the vagina. [1] Complications in the baby may include premature birth, cord compression, and infection.
Depending on severity, common symptoms in pregnancy can develop into complications. Pregnancy symptoms may be categorized based on trimester as well as region of the body affected. Each pregnancy can be quite different and many people do not experience the same or all of the symptoms. If a person is concerned about their symptoms they should be ...
Your little one: Thanks to the continued growth of muscles, this week is when baby will start being able to make a fist. Pregnancy Symptoms Week 16 TODAY Illustration/Getty Images
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Late preterm infants are infants born at a gestational age between 34 + 0 ⁄ 7 weeks and 36 + 6 ⁄ 7 weeks. [1] They have higher morbidity and mortality rates than term infants (gestational age ≥37 weeks) due to their relative physiologic and metabolic immaturity, even though they are often the size and weight of some term infants.
In a normal pregnancy, dilation and effacement occurs in response to uterine contractions. Cervical weakness becomes a problem when the cervix is pushed to open by the growing pressure in the uterus as pregnancy progresses. If the responses are not halted, rupture of the membranes and birth of a premature baby can result.
The greatest risk factors are an abnormal position of the baby within the uterus and a premature or small baby. [2] Other risk factors include a multiple pregnancy, more than one previous delivery, and too much amniotic fluid. [2] [3] Whether medical rupture of the amniotic sac is a risk is controversial.