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Pregnancy Timeline & Key Events

Every pregnancy is unique.

The information provided here is a general guideline. If you have questions about the timing of a key event during your pregnancy, your baby’s development, or the changes that you are noticing in your body, please ask!

Vaccinations during and after pregnancy

  • Access the CDC's resource page related to vaccinations during pregnancy and the postpartum period. 

Pertinent tests and clinical events

  • Up to a year prior to trying to conceive: Schedule an appointment for preconception counseling.  Visit our preconception planning page
  • Once you know (or think) you are pregnant: Call our office and visit our early pregnancy resource page
  • 8-10 weeks gestation: Obstetrical history appointment; may include blood tests
  • 10-12 weeks gestation: Obstetrical physical appointment
  • 11-13 weeks: Optional screenings for chromosomal abnormalities.   
  • 14-16 weeks: (Optional) Sign up for childbirth classes.  Many local hospitals offer childbirth classes and other prenatal classes, including Baystate Medical Center - please contact the hospital for more information.   
  • 16-20 weeks: Optional screenings tests 
  • 20 weeks (aproximately): Baby’s anatomy ultrasound!
  • 26-28 weeks: Glucose tolerance test (GTT) – a screening test for diabetes in pregnancy.  Expecting mothers who have Rh negative blood type will receive an injection of Rhogam
  • 27-36 weeks: Tdap vaccine recommended
  • 36-37 weeks: Group B strep culture
  • 38 weeks: Weekly internal exams to check for dilation
  • 40-42 weeks: Non stress test (NST) and/or biophysical profile test (BPP), performed in ultrasound



Welcoming a baby into your home involves many changes - even for canine family members!  Expecting parents may want to look into the Dogs and Storks program offered by the Dakin Pioneer Valley Humane Society.   


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