Due Date Calculator:
Preterm Delivery Calculator:
Above. The Center for Medical Statistics, Informatics, and Intelligent Systems (CeMSIIS) has created a statistical prediction model for individualized assessment for the risk of preterm delivery within 48 hours after transfer and before 32 weeks of gestation.  Data for the online calculator include: fetal fibronectin, transvaginal cervical length in mm, and C-reactive protein. A disclaimer is provided. This calculator can be accessed at the following link: CeMSIIS
Se also QUiPP for preterm birth calculator information.
The Fetal Medicine Foundation