1. Tubal cannulation via the cervix: A passing fancy—or here to stay?

   • Francisco Risquez
   • Jane Mathieson
   • Jean-Rene Zorn

   Editorial Pages: 301 - 303

2. Identification of follicles with fertilizable oocytes by sequential ultrasound measurements during follicular development

   • John J. Peluso
   • Miguel Damien
   • Anthony A. Luciano

   Special Contributions Pages: 304 - 309

3. Small increases in circulating luteinizing hormone (LH) concentrations shortly before human chorionic gonadotropin (hCG) are associated with reduced in vitro fertilization (IVF) pregnancy rate

   • Abraham K. Munabi
   • Dixie King
   • Joseph D. Schulman

   Special Contributions Pages: 310 - 313

4. Isolation, in vitro maturation, and fertilization of germinal vesicle oocytes obtained from the intact murine ovary

   • Gary W. Randall
   • Sherif G. Awadalla
   • C. Alex Shivers

   Special Contributions Pages: 314 - 320

5. Embryo-derived platelet activating factor, a marker of embryo quality and viability following ovarian stimulation for in vitro fertilization

   • U. Punjabi
   • A. Vereecken
   • Ph. Buytaert

   Special Contributions Pages: 321 - 326

6. The use of gonadotropin releasing hormone agonist (GnRHa) in good responders undergoing repeat in vitro fertilization/embryo transfer (IVF/ET)

   • James H. Segars
   • George A. Hill
   • Anne Colston Wentz

   Special Contributions Pages: 327 - 331

7. Psychiatric morbidity in parents of twins born after in vitro fertilization (IVF) techniques

   • Judith M. Munro
   • Wallace Ironside
   • Graeme C. Smith

   Special Contributions Pages: 332 - 336

8. Transfallopian tube embryo transfer: Successful pregnancy outcome

   • Talha Al-Shawaf
   • Paul Serhal
   • Ian Craft

   Special Contributions Pages: 337 - 340

9. Chromosomal analysis of unfertilized oocytes and morphologically abnormal preimplantation embryos from an in vitro fertilization program

   • Galia Michaeli
   • Moshe Fejgin
   • Aliza Amiel

   Special Contributions Pages: 341 - 346

10. Embryotoxicity of micropore filters used in liquid sterilization

    • K. L. Harrison
    • D. A. Sherrin
    • L. M. Wilson

    Special Contributions Pages: 347 - 350

11. Ovarian stimulation with gonadotropin-releasing hormone (GnRH) analogue improves the in vitro fertilization (IVF) pregnancy rate with both transvaginal and laparoscopic oocyte recovery

    • Jehoshua Dor
    • Izhar Ben-Shlomo
    • Shlomo Mashiach

    Special Contributions Pages: 351 - 354

12. Ultrarapid freezing (URF) of mouse and human preembryos: A modified approach

    • Patricia E. Barg
    • David H. Barad
    • Wilfried Feichtinger

    Special Contributions Pages: 355 - 357

13. Comparison of ovarian stimulation regimens for in vitro fertilization (IVF) with and without a gonadotropin-releasing hormone (GnRH) agonist: Results of a randomized study

    • A. Berg Van De-Helder
    • F. M. Helmerhorst
    • N. Naaktgeboren

    Special Contributions Pages: 358 - 362

14. Editorial response

    • David R. Meldrum

    EditorialNotes Pages: 363 - 364

15. The incidence of human immunodeficiency virus (HIV) in fetal cord samples utilized as serum supplements for in vitro fertilization

    • Marian D. Damewood
    • John S. Hesla
    • John A. Rock

    Short Communication Pages: 365 - 366

16. Pregnancy in the interstitial portion of the oviduct following in vitro fertilization-embryo transfer (IVF-ET)

    • Dimitrios Panidis
    • David Rousso
    • Achilleas Kalogeropoulos

    Letter to the Editors Pages: 367 - 367

17. Registry

    Announcement Pages: 368 - 368

18. Acknowledgments

    Acknowledgments Pages: 369 - 369