The results can help you make the best health care decisions before and after your child is born.Prenatal tests are helpful, but it’s important to know how to interpret what they find.
We found a sensitivity and specificity of nearly 100% from 8 weeks of gestation for cff DNA and from 13 weeks of gestation for ultrasound respectively.
Based on this review, we conclude that fetal sex can be determined with a high level of accuracy by analyzing cff DNA and at an earlier gestation than ultrasound.
See What if a screening test shows a possible problem?
for more information on what may happen if a scan or other screening test suggests an abnormality.
Screening and treatment for iron deficiency anemia can reduce the risks of preterm labor, intrauterine growth retardation, and perinatal depression.