title: Reply.
authors.affiliation: Department of Obstetrics and Gynecology, Kaiser Permanente San Diego, San Diego, CA; Department of Reproductive Medicine, University of California, San Diego, San Diego, CA. Electronic address: qlippmann@ucsd.edu.
authors.forename: Quinn K
authors.initials: QK
authors.lastname: Lippmann
authors.affiliation: Department of Obstetrics and Gynecology, Kaiser Permanente San Diego, San Diego, CA.
authors.forename: Shawn A
authors.initials: SA
authors.lastname: Menefee