1 Parryscope and Positive Steps Fertility, Madison, Mississippi.
2 The Institute for Reproductive Medicine and Science, Cooperman Barnabas Medical Center, Livingston, New Jersey; Rutgers New Jersey Medical School, Newark, New Jersey.
3 Dallas IVF, Dallas, Texas.
4 Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, Washington University School of Medicine, St. Louis, Missouri.
5 Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Stanford University School of Medicine, Stanford, California; Fertility and Reproductive Health, Lucile Packard Children's Hospital, Palo Alto, California. Electronic address: kubano1958@gmail.com.