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Oligohydramnios. Specialty. Obstetrics. Oligohydramnios is a medical condition in pregnancy characterized by a deficiency of amniotic fluid, the fluid that surrounds the fetus in the abdomen, in the amniotic sac. The limiting case is anhydramnios, where there is a complete absence of amniotic fluid. It is typically diagnosed by ultrasound when ...
Occasionally, there is a single umbilical artery (SUA) ( Vasa praevia) present in the umbilical cord, as opposed to the usual two. [ 1] This is sometimes also called a two-vessel umbilical cord, or two-vessel cord. Approximately, this affects between 1 in 100 and 1 in 500 pregnancies, making it the most common umbilical abnormality.
Specialty. Obstetrics Hematology. Gestational (incidental) thrombocytopenia is a condition that commonly affects pregnant women. Thrombocytopenia is defined as the drop in platelet count from the normal range of 150,000–400,000/μL to a count lower than 150,000/μL. [ 1] There is still ongoing research to determine the reason for the lowering ...
Frequency. ~30% of pregnancies [1] 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.
Sinusitis, also known as rhinosinusitis, is an inflammation of the mucous membranes that line the sinuses resulting in symptoms that may include thick nasal mucus, a plugged nose, and facial pain. [ 1][ 8] Sinusitis usually occurs in individuals with underlying conditions [ 9][unreliable medical source?] like allergies, or structural problems ...
Common complications of pregnancy include anemia, gestational diabetes, infections, gestational hypertension and pre-eclampsia. [ 4][ 5] Presence of these types of complications can have implications on monitoring lab work, imaging, and medical management during pregnancy. [ 4]
An upper respiratory tract infection ( URTI) is an illness caused by an acute infection, which involves the upper respiratory tract, including the nose, sinuses, pharynx, larynx or trachea. [ 3][ 4] This commonly includes nasal obstruction, sore throat, tonsillitis, pharyngitis, laryngitis, sinusitis, otitis media, and the common cold. [ 5]: 28 ...
Preauricular sinuses and preauricular cysts are two common congenital malformations. Each involves the external ear. The difference between them is that a cyst does not connect with the skin, but a sinus does. [ 3] Frequency of preauricular sinus differs depending the population: 0.1–0.9% in the US, 0.9% in the UK, and 4–10% in Asia and ...