2022年10月7日 · Leaking amniotic fluid. Rarely, amniotic fluid leaks through the vagina after amniocentesis. In most cases, the amount of fluid lost is small and stops within one week with no effect on the pregnancy. Miscarriage. Second-trimester amniocentesis carries a slight risk of miscarriage — about 0.1% to 0.3% when done by a skilled person using ...

2022年8月9日 · Amniotic fluid is the clear liquid that surrounds your baby in the uterus during pregnancy. This fluid provides a cushion that protects the baby from injury and allows room for growth, movement and development. Amniotic fluid also keeps the umbilical cord from being squeezed between the baby and the wall of the uterus.

2023年12月5日 · Drainage of extra amniotic fluid. Your health care team may use amniocentesis to drain the extra amniotic fluid from your uterus. This procedure carries a small risk of health problems. These include preterm labor, placental abruption and premature rupture of the membranes. Medicine.

2024年3月27日 · During pregnancy, your baby is surrounded and cushioned by a fluid-filled membranous sac called the amniotic sac. Typically, at the beginning of or during labor your membranes will rupture — also known as your water breaking. If your water breaks before labor starts, it's called prelabor rupture of membranes (PROM).

2023年12月5日 · Polyhydramnios (pol-e-hi-DRAM-nee-os) is the buildup of increased amniotic fluid — the fluid that surrounds the baby in the uterus during pregnancy. Polyhydramnios happens in about 1% to 2% of pregnancies. Most of the time, the condition is mild. It's often found during the middle or later stages of pregnancy.

2022年6月3日 · Excessive amniotic fluid (polyhydramnios). Having too much amniotic fluid — the fluid that surrounds and protects a baby during pregnancy — might be a sign that your baby is larger than average. The amount of amniotic fluid reflects your baby's urine output, and a larger baby produces more urine.

2024年3月8日 · During pregnancy, the developing baby is surrounded and cushioned by a fluid-filled layer of tissue called the amniotic sac. If the sac leaks or breaks before labor starts, it's known as the water breaking. This raises the risk of problems with the placenta. High blood pressure. This condition can cause less blood to reach the placenta.

2023年10月17日 · Blighted ovum is an older term for a certain type of pregnancy that leads to an early miscarriage. It's now known as an anembryonic (an-em-bree-on-ik) pregnancy.

2022年2月25日 · The cause of placental abruption is often unknown. Possible causes include trauma or injury to the abdomen — from an auto accident or fall, for example — or rapid loss of the fluid that surrounds and cushions the baby in the uterus (amniotic fluid).

2024年11月20日 · Amniotic band syndrome, when thin bands of tissue get tangled up with the fetus. Bladder outlet obstruction, also called lower urinary tract obstruction (LUTO). Congenital cystic adenomatoid malformation (CCAM), a mass of lung tissue that is not cancer but can continue to grow. Congenital diaphragmatic hernia (CDH).