1. Sister-Sister in vitro fertilization surrogate pregnancy with donor sperm: The case for surrogate gestational pregnancy

   • J. Leeton
   • C. King
   • J. Harman

   Special Contributions Pages: 245 - 248

2. In vitro fertilization and embryo transfer (IVF/ET): An established and successful therapy for endometriosis

   • Sergio Oehninger
   • anibal A. Acosta
   • Zev Rosenwaks

   Special Contributions Pages: 249 - 256

3. Hyaluronidase removal of the cumulus oophorus increases in vitro fertilization

   • Gad Lavy
   • Stephen P. Boyers
   • Alan H. DeCherney

   Special Contributions Pages: 257 - 260

4. The fate of supernumerary oocytes in gamete intrafallopian transfer (GIFT) is not predictive of a poor outcome: The effect of oocyte selection

   • K. M. McKenna
   • J. C. McBain
   • W. I. H. Johnston

   Special Contributions Pages: 261 - 264

5. Spontaneous luteinizing hormone (LH) surges are associated with more rapidly increasing estradiol (E₂) and follicle stimulating hormone (FSH) in in vitro fertilization and embryo transfer

   • David Kreiner
   • Kathleen Droesch
   • Zev Rosenwaks

   Special Contributions Pages: 265 - 267

6. Effects of the zona pellucida, agar embedding, and culture on the survival of micromanipulated bovine embryos after freezing and thawing

   • L. Picard
   • U. Schneider
   • W. A. King

   Special Contributions Pages: 268 - 274

7. Luteotropic activity in serum of women following embryo or gamete transfer in a program of assisted conception

   • Bronte A. Stone
   • Tih T. Tan
   • Richard P. Marrs

   Special Contributions Pages: 275 - 281

8. Failed fertilization during an in vitro fertilization cycle after oral ingestion of amantadine hydrochloride

   • Bryan D. Cowan
   • John A. Lucas III
   • Virginia Lockard

   Special Contributions Pages: 282 - 285

9. Effects of charcoal-extracted serum as a growth medium supplement on in vitro development of mouse embryos

   • Santiago L. Padilla
   • Anita M. Howe
   • Jeffrey P. Boldt

   Special Contributions Pages: 286 - 289

10. Emotional aspects and support in in vitro fertilization and embryo transfer programs

    • Victor J. Callan
    • John F. Hennessey

    Special Contributions Pages: 290 - 295

11. Pregnancies after intrafallopian transfer of embryos

    • T. Henriksen
    • Th. Abyholm
    • Ø. Magnus

    Special Contributions Pages: 296 - 298

12. Recovery of a preovulatory binucleate oocyte in a patient following induction of ovulation for in vitro fertilization

    • Maha M. Mahadevan
    • Judy Fleetham
    • Patrick J. Taylor

    Short Communications Pages: 299 - 300

13. Duration of storage of cyropreserved human embryos

    • J. Cohen
    • K. L. Inge
    • T. G. Turner Jr.

    Short Communications Pages: 301 - 303

14. Returning to spontaneous cycles in in vitro fertilization

    • Claude Ranoux
    • Herve Foulor
    • Vito Cardone

    Letters to the Editors Pages: 304 - 305

15. In vitro fertilization: A comparative study of cleavage rates under epidural and general anesthesia—Interest for gamete intrafallopian transfer

    • G. Lefebvre
    • D. Vauthier
    • Y. Darbois

    Letters to the Editors Pages: 305 - 306

16. Results of the Pennsylvania reproductive associates, Pennsylvania

    • Stephen L. Corson
    • Frances R. Batzer
    • Kathryn J. Go

    Letters to the Editors Pages: 306 - 306

17. The in vitro fertilization and embryo transfer program at the C.M.I. Virgen de las Nieves in Granada, Spain

    • Ramon Molina
    • Francisco Vergara
    • Alfonso J. Herruzo

    Letters to the Editors Pages: 307 - 307

18. The in vitro fertilization program in Bialystok, Poland

    • Marian Szamatowicz
    • Marek Kulikowski
    • Stawomir Wolczynski

    Letters to the Editors Pages: 307 - 308

19. Registry

    Announcement Pages: 309 - 309

20. Announcements

    Announcement Pages: 310 - 310