![Full term baby in posterior position, illustration - Stock Image - F026/6797 - Science Photo Library Full term baby in posterior position, illustration - Stock Image - F026/6797 - Science Photo Library](https://media.sciencephoto.com/f0/26/67/97/f0266797-800px-wm.jpg)
Full term baby in posterior position, illustration - Stock Image - F026/6797 - Science Photo Library
![Know Your Terms: Moms-to-be - NCMHEP | NICHD - Eunice Kennedy Shriver National Institute of Child Health and Human Development Know Your Terms: Moms-to-be - NCMHEP | NICHD - Eunice Kennedy Shriver National Institute of Child Health and Human Development](https://www.nichd.nih.gov/sites/default/files/2019-08/hero-know-your-terms.png)
Know Your Terms: Moms-to-be - NCMHEP | NICHD - Eunice Kennedy Shriver National Institute of Child Health and Human Development
![Know Your Terms: Materials - NCMHEP | NICHD - Eunice Kennedy Shriver National Institute of Child Health and Human Development Know Your Terms: Materials - NCMHEP | NICHD - Eunice Kennedy Shriver National Institute of Child Health and Human Development](https://www.nichd.nih.gov/sites/default/files/inline-images/PregnancyKnowYourTermsTearPad.jpg)
Know Your Terms: Materials - NCMHEP | NICHD - Eunice Kennedy Shriver National Institute of Child Health and Human Development
![Redefining the Term | NICHD - Eunice Kennedy Shriver National Institute of Child Health and Human Development Redefining the Term | NICHD - Eunice Kennedy Shriver National Institute of Child Health and Human Development](https://www.nichd.nih.gov/sites/default/files/news/resources/spotlight/PublishingImages/102413-spotlight-large.jpg)