The majority of SABs are caused by chromosomal abnormalities that are incompatible with life; the majority also have autosomal trisomies. Maternal infections, such as Mycoplasma hominis, Ureaplasma urealyticum, syphilis, HIV, group B streptococci, and second trimester bacterial vaginosis, increase the risk for an SAB. Inherited disorders or abnormal embryonic development resulting from environmental factors (teratogens) may also play a role. Patients who are classified as habitual aborters (three or more consecutive SABs) usually have an incompetent cervix— that is, a situation in which the cervix is weak and does not stay closed to maintain the pregnancy. Occupation may also be a consideration if the woman is exposed to teratogens.

Bacterial Vaginosis Facts

Bacterial Vaginosis Facts

This fact sheet is designed to provide you with information on Bacterial Vaginosis. Bacterial vaginosis is an abnormal vaginal condition that is characterized by vaginal discharge and results from an overgrowth of atypical bacteria in the vagina.

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