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Preterm birth. 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 ...
The terms preterm and postterm have largely replaced earlier terms of premature and postmature. Preterm and postterm are defined above, whereas premature and postmature have historical meaning and relate more to the infant's size and state of development rather than to the stage of pregnancy. [25] [26]
Prelabor rupture of membranes. 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]
Breast tenderness, nausea, and fatigue may be continuing. Although you should contact your provider as soon as you get a positive pregnancy test, many women have their first prenatal visit during ...
Obstetrics. Pre-labor consists of the early signs before labor starts. It is the body's preparation for real labor. Prodromal labor has been misnamed as “false labor." Prodromal labor begins much as traditional labor but does not progress to the birth of the baby. Not everyone feels this stage of labor, though it does always occur.
[2] [3] Pre-eclampsia increases the risk of undesirable as well as lethal outcomes for both the mother and the fetus including preterm labor. [11] [12] [3] If left untreated, it may result in seizures at which point it is known as eclampsia. [2] Risk factors for pre-eclampsia include obesity, prior hypertension, older age, and diabetes mellitus.
After preterm labor, hyperemesis gravidarum is the second most common reason for hospital admission during the first half of pregnancy. [16] Factors such as infection with Helicobacter pylori , a rise in thyroid hormone production, low age, low body mass index prior to pregnancy, multiple pregnancies, molar pregnancies , and a history of ...
Rupture of membranes (ROM) or amniorrhexis is a term used during pregnancy to describe a rupture of the amniotic sac. [1] Normally, it occurs spontaneously at full term either during or at the beginning of labor. Rupture of the membranes is known colloquially as " breaking (one's) water," especially when induced rather than spontaneous, or as ...