Immediate versus delayed progesterone supplementation in gamete intrafallopian transfer (GIFT) Shiuh-Young ChangYung-Kuei SoongDer-Yan Hsiu Special Contributions Pages: 275 - 279
Glass wool-filtered spermatozoa and their oocyte penetrating capacity N. RanaR. S. JeyendranL. J. D. Zaneveld Special Contributions Pages: 280 - 284
High-dose follicle-stimulating hormone (FSH) ovarian stimulation in low-responder patients for in vitro fertilization Glen E. HofmannJames P. TonerGeorgeanna S. Jones Special Contributions Pages: 285 - 289
Impact of leuprolide acetate on the response to follicular stimulation for in vitro fertilization in patients with normal basal gonadotropin levels Robert G. BrzyskiGeorgeanna S. JonesSuheil J. Muasher Special Contributions Pages: 290 - 293
The occurrence of ectopic pregnancy with and without clomiphene citrate use in assisted and nonassisted reproductive technology Richard P. DickeyRobert MatisPhillip H. Rye Special Contributions Pages: 294 - 297
Gamete intrafallopian transfer vs superovulation with intrauterine insemination for the treatment of infertility Carolyn R. KaplanDavid L. OliveRobert S. Schenken Special Contributions Pages: 298 - 304
Establishment of pregnancy after embryo transfer in mares with gonadal dysgenesis Katrin HinrichsFernando L. RieraLynne R. Klunder Special Contributions Pages: 305 - 309
Screening test for mouse blastocysts as an index of the vitality of embryos Satoru ChidaLiselotte Mettler Short Communications Pages: 310 - 312
Elective preembryo cryopreservation in ovarian hyperstimulation syndrome Nazar N. AmsoKamal K. AhuiaRobert W. Shaw Short Communications Pages: 312 - 314
Uniform assessment of success rates with assisted reproductive technology Douglas M. SaundersMartin M. QuigleyNorbert Gleicher Letters to the Editors Pages: 315 - 316
Clinical results of the in vitro fertilization (IVF) and gamete intrafallopian transfer (GIFT) program at the University of Iowa Hospitals and Clinics, Iowa city Diane HammittCraig SyropJames Donovan Letters to the Editors Pages: 316 - 317