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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 .
Chorioamnionitis is inflammation of the amniotic sac (chorio-+ amnion + -itis), usually because of infection. It is a risk factor for neonatal sepsis. During labor, the amniotic sac must break so that the child can be born. This is known as rupture of membranes (ROM). Normally, it occurs spontaneously at full term either during or at the ...
If the amniotic sac has not yet broken during labour the health care provider may break it in a technique called an amniotomy. In an amniotomy a thin plastic hook is used to make a small opening in the sac, causing the water to break. [26] If the sac breaks before labour starts, it's called a prelabour rupture of membranes. Contractions will ...
Artificial rupture of membranes (AROM), also known as an amniotomy, is performed by a midwife or obstetrician and was once thought to be an effective means to induce or accelerate labor. The membranes can be ruptured using a specialized tool, such as an amnihook or amnicot, or they may be ruptured by the proceduralist's finger.
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.
The amniotic fluid is the protective liquid contained by the amniotic sac of a gravid amniote. This fluid serves as a cushion for the growing fetus, but also serves to facilitate the exchange of nutrients, water, and biochemical products between mother and fetus. For humans, the amniotic fluid is commonly called water or waters (Latin liquor ...
There are also risks associated with membrane sweeping. The risks include irregular contractions, bleeding, and in 1 out of every 10 women an amniotic sac rupture, which can lead to a formal induction within 24 hours of the rupture if labor hasn't been induced. [6] The use of intrauterine catheters are also indicated.
The amniotic sac consists of two parts: The outer membrane is the chorion. It is closest to the mother and physically supports the much thinner amnion. The chorion is the last and outermost of the membranes that make up the amniotic sac. [13] The inner membrane is the amnion. It is in direct contact with the amniotic fluid, which surrounds the ...