Ad
related to: first trimester bleeding guidelines
Search results
Results From The WOW.Com Content Network
Early pregnancy bleeding (also called first trimester bleeding) is vaginal bleeding before 14 weeks of gestational age. [ 1 ] [ 2 ] If the bleeding is significant, hemorrhagic shock may occur. [ 1 ] Concern for shock is increased in those who have loss of consciousness , chest pain, shortness of breath , or shoulder pain.
Chorionic hemorrhage, chorionic bleed Ultrasound showing a subchorionic hemorrhage [ 1 ] Chorionic hematoma is the pooling of blood ( hematoma ) between the chorion , a membrane surrounding the embryo , and the uterine wall . [ 2 ]
Besides placenta previa and placental abruption, uterine rupture can occur, which is a very serious condition leading to internal or external bleeding. Bleeding from the fetus is rare, but may occur with two conditions called vasa previa and velamentous umbilical cord insertion where the fetal blood vessels lie near the placental insertion site unprotected by Wharton's jelly of the cord. [11]
Vaginal bleeding early in pregnancy may also be a sign of a threatened abortion, which is when there is light to moderate vaginal bleeding but the cervix is still closed. Threatened abortion does not mean that miscarriage is inevitable; about 50% of women with bleeding before the third trimester will progress to a live birth. [26]
Implantation bleeding may be confused with a regular period. [3] [4] Heavy vaginal bleeding in the first trimester or bleeding associated with pain, may be a sign of a complication, such as a miscarriage or an ectopic pregnancy, that would need to be assessed by a healthcare provider. [5]
Vaginal bleeding occurs during 15–25% of first trimester pregnancies. [29] Of these, half go on to miscarry and half bring the fetus to term. [30] There are a number of causes including complications to the placenta, such as placental abruption and placenta previa.
Obstetric ultrasonography is routinely used for dating the gestational age of a pregnancy from the size of the fetus, determine the number of fetuses and placentae, evaluate for an ectopic pregnancy and first trimester bleeding, the most accurate dating being in first trimester before the growth of the foetus has been significantly influenced ...
Venous stasis may occur at the end of the first trimester, due to enhanced compliance of the vessel walls by a hormonal effect. [2] Also, pregnancy can cause hypercoagulability by other factors, e.g. the prolonged bed rest that often occurs post partum that occurs in case of delivery by forceps, vacuum extractor or Caesarean section. [2] [4]