Maternal Age at the Expected Date of Delivery

This calculator estimates the age of a mother at the expected date of her delivery.

All calculations must be confirmed before use. The suggested results are not a substitute for clinical judgment. Neither Perinatology.com nor any other party involved in the preparation or publication of this site shall be liable for any special, consequential, or exemplary damages resulting in whole or part from any user's use of or reliance upon this material.

References
1. Odibo AO, et al. Screening for aneuploidy in twin pregnancies: maternal age- and race-specific risk assessment between 9–14 weeks. Twin Res. 2003;6(4):251–256. PMID: 14511427
2. Meyers C, et al. Aneuploidy in twin gestations: when is maternal age advanced? Obstet Gynecol. 1997;89(2):248–251. PMID: 9015029