Prevea Health

What prenatal tests will I need?


While each pregnancy is different, the following chart will give you an idea of common prenatal tests and at what point they are preformed.

8-10 WEEKS

Tests at first OB appointment
  • Blood type
  • Rubella status
  • Cultures
  • Pap smear
  • Early trimester screening
  • Cystic fibrosis

10-13 WEEKS

1st trimester screening
Optional testing for birth defects and genetic problems.

16-18 WEEKS

Alpha fetoprotein/quad screen
Optional blood tests for the risk of: Neural tube defects, such as spina bifida, Down's syndrome and other genetic problems.

Approx. 20 WEEKS

  • Baby's development
  • Baby's age

Approx. 26-30 WEEKS

Glucose Test (screening)
Testing for diabetes during pregnancy

35-36 WEEKS

Group Beta (B) Strep
Tests for Strep in vagina. If diagnosed, mother will receive antibiotics during delivery.

It is recommended you call your insurance company ahead of time to verify coverage of prenatal labs and procedures.