1. Reliability of polymerase chain reaction (PCR) analysis of single cells for preimplantation genetic diagnosis

   • Charles M. Strom
   • Svetlana Rechitsky
   • Yury Verlinsky

   OriginalPaper Pages: 55 - 62

2. A plea for a more fastidious and objective use of statistics

   • D. E. Walters

   Editorial Pages: 63 - 73

3. Prospective randomized comparison of human chorionic gonadotropin versus intramuscular progesterone for luteal-phase support in assisted reproduction

   • Edilberto Araujo Jr.
   • Luca Bernardini
   • José P. Balmaceda

   OriginalPaper Pages: 74 - 78

4. Ectopic pregnancies after in vitro fertilization and embryo transfer

   • Emmanuel Pyrgiotis
   • Khalid M. Sultan
   • Zev Rosenwaks

   OriginalPaper Pages: 79 - 84

5. Evaluation of two gonadotropin-releasing hormone (GnRH) analogues (leuprolide and buserelin) in short and long protocols for assisted reproduction techniques

   • B. C. Tarlatzis
   • G. Grimbizis
   • S. Mantalenakis

   OriginalPaper Pages: 85 - 91

6. Three hundred cycles of oocyte donation at the University of Southern California: Assessing the effect of age and infertility diagnosis on pregnancy and implantation rates

   • Mark V. Sauer
   • Richard J. Paulson
   • Rogerio A. Lobo

   OriginalPaper Pages: 92 - 96

7. Sperm:Oocyte ratios in an in vitro fertilization (IVF) program

   • A. Fiorentino
   • M. C. Magli
   • L. Gianaroli

   OriginalPaper Pages: 97 - 103

8. Effect of Chlamydial antibodies on the outcome of in vitro fertilization (IVF) treatment

   • Isik Tasdemir
   • Murat Tasdemir
   • Toshinobu Tanaka

   OriginalPaper Pages: 104 - 106

9. Hydatidiform mole with a coexistent fetus after ovulation induction

   • D. J. Walker
   • K. A. Cietak
   • C. R. Kennedy

   Short Communication Pages: 107 - 109