Inability to obtain final specimen routinely

Pregnant African American women between 18 and 45 years of age will be enrolled at 20 weeks of gestation or less. Biological specimens (vaginal swabs, rectal swab) will be collected at enrollment, 23-24 weeks, at 28-29 weeks, and at the onset of labor. A urine sample will be obtained at entry and at the time of delivery for metabolomic analysis. Participants will also collect a dietary survey at entry, 23-24 weeks, and 28-29 weeks. The biological specimens will then be analyzed for their microbiomial profile. This will then be correlated with the timing of their delivery as well as other comorbidities such as obesity, hypertension, and diabetes.

Inclusion Criteria:

• Able to read and understand English, full decision making capabilities, African American (self-identified), Pregnant, At 20 weeks or less of gestation, Singleton pregnancy, 18-45 years of age

Exclusion Criteria:

• Race other than African American, Advanced gestational age (>20 weeks), Multiple gestations, Less than 18 years or greater than 45 years of age.

African american women between 18 and 45 years of age who are pregnant with a singleton and present for prenatal care at 20 weeks of gestation or less.