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Obstetric causes of first trimester bleeding include the following: Early pregnancy loss is a term often used interchangeably with spontaneous abortion and miscarriage and refers to pregnancy loss during the first trimester. [7] It is the most common cause of early pregnancy bleeding and is associated only with heavy (versus light) bleeding. [8]
It occurs in about 3.1% of all pregnancies, [2] it is the most common sonographic abnormality and the most common cause of first trimester bleeding. [3]
An increase in vaginal discharge is common during pregnancy due to hormonal changes. The discharge, known as leukorrhea, is usually thin and milky white. However, if the discharge changes color or consistency significantly, it is essential to consult a healthcare provider. [10]
Meconium ileus is often the first sign of cystic fibrosis. [2] In cystic fibrosis, the meconium can form a bituminous black-green mechanical obstruction in a segment of the ileum. Beyond this, there may be a few separate grey-white globular pellets. Below this level, the bowel is a narrow and empty micro-colon.
Vaginal bleeding in the first week of life after birth is a common observation, and pediatricians typically discuss this with new mothers at the time of hospital discharge. [ 13 ] [ 14 ] During childhood, one of the most common causes of vaginal bleeding is presence of a foreign body in the vagina which may be caused by normal self-exploration ...
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]
The newer integrated screen (formerly called F.A.S.T.E.R for First And Second Trimester Early Results) can be done at 10 plus weeks to 13 plus weeks with an ultrasound of the fetal neck (thicker nuchal skin correlates with higher risk of Down syndrome being present) and two chemicals (analytes), pregnancy-associated plasma protein A and human ...
Infection with rubella during the first trimester has been seen to cause various fetal malformations, including TOF. [38] Maternal Age: Older maternal age, especially after 35 can have various pregnancy risks due to existing co-morbidities such as hypertension, diabetes, hypothyroidism, and consanguinity. [39]