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The DOR is working towards being able to report some general statistics from the MANA Stats database on an annual basis, similar to the birth statistics that the National Center for Health Statistics releases every year (like the number of babies born at home or in birth centers, preterm birth rates, low birth weight, cesarean rates, etc.). This is not research, but rather what's called "benchmarking statistics." Midwives can then compare their own practice statistics with what's in the whole dataset and be able to see where they line up.
Many peer-reviewed research studies from around the world have confirmed the safety of home birth for women with uncomplicated pregnancies. This body of research includes a landmark study published in the British Medical Journal that followed over 5400 women in the U.S. and Canada who planned to give birth at home with a Certified Professional Midwife (Johnson & Daviss, 2005). The study found much lower rates of interventions such as induction and augmentation of labor, episiotomy and cesarean delivery with no greater risk to mother or baby.
The Senior Advisor for the DOR, Saraswathi Vedam, has co-authored an incredible annotated bibliography of the existing research on homebirth, available on the "Homebirth Studies" section of our Research Resources page. Each study is described in a short paragraph and categorized according to its quality. Additional resources for understanding research are also available there.