[1] Hurley Med Ctr, Dept Obstet & Gynecol, Div Reprod Endocrinol & Infertil, Flint, MI 48503 USA
[2] Hurley Med Ctr, Dept Obstet & Gynecol, Flint, MI 48503 USA
[3] IVF Michigan, Rochester, MI 48307 USA
[4] Univ Michigan, Dept Obstet & Gynecol, Flint, MI 48503 USA
[5] Coll Human Med, Reproduct Biol, Flint, MI 48503 USA
[6] Univ S Alabama, Dept Obstet & Gynecol, Div Reprod Endocrinol & Infertil, Mobile, AL 36604 USA