Examlex
A tract is the smallest area for which census data are available.
Obstetrician
A medical doctor specializing in the care of women during pregnancy, childbirth, and the postpartum period.
Pregnant
The state of carrying a developing embryo or fetus within the female body.
Neural-Tube Defect
A birth defect involving incomplete development of the brain, spinal cord, or their protective coverings.
Folic Acid
A type of B vitamin important for cell growth, DNA synthesis, and the prevention of certain birth defects.
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