Pregnancy: Know Your Terms.
The last few weeks of pregnancy have new names. Learn the terms for the home stretch.
- Early Term: 37 weeks through 38 weeks and 6 days.
- Full Term: 39 weeks through 40 weeks and 6 days.
- Late Term: 41 weeks through 41 weeks and 6 days.
- Postterm: 42 weeks and beyond.
A few weeks make a big difference.
Between 37 and 39 weeks, the baby goes through critical development of the brain, lungs, liver.
Graphics: Logos for HHS, NIH, NICHD and NCMHEP.