Obstetrical Timeline at Women’s Health Services


  • 8 weeks: Initial appointment with a sonogram and labs for confirmation of pregnancy
  • 10 weeks: Consult with your physician, pelvic exam, Pap smear if due. Review labs. Visits are every month starting here. The monthly visits will include checking your weight, urine, blood pressure. It will also include checking the fetal heartbeat as well as monitoring the baby’s growth.
  • 11-13 weeks: optional ultrascreen genetic testing offered at a specialist Maternal Fetal Medicine office. The ultrascreen tests for Down syndrome and other chromosomal abnormalities in your baby. This test includes an ultrasound as well as a blood draw. This test detects 91% of babies with Down’s Syndrome.
  • 16-18 weeks: If you chose to have the ultrascreen test done, you will now have a blood draw for the MSAFP test. This looks for the risk of open neural tube defects such as Spina bifida. If you did not have the ultrascreen test, you can opt to do the TETRA screen at this point. This is a blood test that for the risk of Down syndrome and other chromosomal abnormalities. It is about 75% accurate in predicting babies with Down’s Syndrome or other chromosomal abnormalities.
  • 20-22 weeks: You will have an anatomy sonogram to check the growth of the baby as well as check for abnormalities and determine sex. *Please bring a maximum of 2 guests to this scan*
  • 26-28 weeks: You will do a 1 hour glucose tolerance test and a CBC. You should be fasting for 2 hours prior to this test. If your blood type is Rh negative, you will receive your shot of Rhogam. If you have not already received the TDAP vaccine, it will be given at this time. You will start coming for visits every 2-3 weeks.
  • 35-37 weeks: Group B Strep culture.
  • 37-40 weeks: You will be seen weekly your doctor may do a cervical exam to check for dilatation.
  • If your water breaks, or you think you are leaking fluid, or might be in labor, you can go to the hospital to be assessed by one of our Labor and Delivery nurses. Always go to Texas Health Arlington Memorial Hospital, as this is the only hospital that the doctors of WHS work at.