What causes bleeding into the decidua basalis?
Complications. Hemorrhage into the decidua basalis occurs as the placenta separates from the uterus. Vaginal bleeding usually follows, although the presence of a concealed hemorrhage in which the blood pools behind the placenta is possible.
What can cause the placenta to bleed?
Bleeding often occurs as the lower part of the uterus thins during the third trimester of pregnancy in preparation for labor. This causes the area of the placenta over the cervix to bleed. The more of the placenta that covers the cervical os (the opening of the cervix), the greater the risk for bleeding.
What is the most common cause of placental abruption?
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).
What is antepartum haemorrhage?
Antepartum haemorrhage (APH) is defined as bleeding from or in to the genital tract, occurring from 24+0 weeks of pregnancy and prior to the birth of the baby. The most important causes of APH are placenta praevia and placental abruption, although these are not the most common.
What causes DIC in pregnancy?
Disseminated intravascular coagulation can be brought about by a number of obstetric complications, including acute peripartum hemorrhage, placental abruption, preeclampsia, elevated liver enzymes/low platelet count syndrome, retained stillbirth, septic abortion, intrauterine infection, amniotic fluid embolism, and …
What are the complications of placenta previa?
Some of the complications of placenta previa include:
- Major haemorrhage (bleeding) for the mother.
- Shock from loss of blood.
- Fetal distress from lack of oxygen.
- Premature labour or delivery.
- Health risks to the baby, if born prematurely.
- Emergency caesarean delivery.
Does low lying placenta cause bleeding?
A low-lying placenta can be associated with painless, bright red bleeding from the vagina during the last 3 months of pregnancy. If this happens to you, contact your midwife or GP immediately.
What are the signs and symptoms of antepartum haemorrhage?
(b) In APH due to placental abruption symptoms include:
- Vaginal bleeding.
- Abdominal pain.
- Back pain.
- Uterine tenderness.
- Uterine contractions,
- Firmness in the uterus or abdomen.
What are the types of antepartum haemorrhage?
Antepartum haemorrhage
- Cervical ectropion. The cells on the surface of the cervix often change in pregnancy and make the tissue more likely to bleed, particularly after sex.
- Infection.
- Placental edge bleed.
- Placenta praevia.
- Placental abruption.
- Management.