Foster DG, Biggs MA. Effect of an unwanted pregnancy carried to term on existing children’s health, development and care. North American Forum on Family Planning. October 2014.
Foster DG, Gipson JD, Rocca CH, Biggs MA. Effects of Carrying an Unwanted Pregnancy to Term on Women's Existing Children. The Journal of Pediatrics. February 2019; 205:183-189.e1.
Upadhyay UD, Aztlan-James EA, Rocca CH, Foster DG. Intended pregnancy after receiving vs. being denied a wanted abortion. Contraception. January 2019; 99(1):42-47.