Routine Testing Intervals/Schedules

Initial Visit or First trimester visit:

14 to 20 weeks:

20 to 32 weeks:

32 to 36 weeks:

36 to 40 weeks:


Perinatal Care Chp 6. Page 159

Prenatal Genetic Screening Test


Revision #4
Created 25 February 2022 06:44:51 by Katarina Soewono
Updated 30 June 2022 21:56:35 by George Neves, MD