1. Freezing of embryos: Early vs late stages

   • Alan Trounson
   • Gayle Jones

   News and Views Pages: 179 - 181

2. Freezing of preembryos: Early vs late stages

   • Lucinda L. Veeck

   News and Views Pages: 181 - 185

3. Freezing of embryos: Early vs late stages

   • André C. Van Steirteghem
   • Etienne Van den Abbeel

   News and Views Pages: 185 - 186

4. Chemical removal of the outside of the zona pellucida of day 3 human embryos has no impact on implantation rate

   • Michael J. Tucker
   • Nicole M. Luecke
   • Graham Wright

   Clinical Assisted Reproduction Pages: 187 - 191

5. Effects of medium composition on murine and human blastocyst formation and hatching rate

   • Terry T. Olar
   • Adele S. Potts

   Animal Investigations Pages: 192 - 196

6. The fate of embryos transferred into the uterus

   • Yasuo Goto
   • Yoichi Noda
   • Takahide Mori

   Animal Investigations Pages: 197 - 201

7. Slow and ultrarapid freezing of fully grown germinal vesicle-stage mouse oocytes: Optimization of survival rate outweighed by defective blastocyst formation

   • Josiane C. Van Der Elst
   • Sigrid S. Nerinckx
   • André C. Van Steirteghem

   Animal Investigations Pages: 202 - 212

8. The significance of 17β-estradiol levels in highly responding women during ovulation induction in IVF treatment: Its impact and prognostic value with respect to oocyte maturation and treatment outcome

   • Isaac Ben-Nun
   • Adrian Shulman
   • Yoram Beyth

   Short Communications Pages: 213 - 215

9. A prospective study of echographic endometrial characteristics and pregnancy rates during hormonal replacement cycles

   • Veronica Alam
   • Luca Bernardini
   • Jose P. Balmaceda

   Short Communications Pages: 215 - 219

10. Supernumerous oocytes transferred in gamete intrafallopian transfer (GIFT)

    • Gin-den Chen
    • Ming Te Lin
    • Chung Chia Huang

    Short Communications Pages: 219 - 223

11. The relevance of endometrial thickness and echo patterns for the success of in vitro fertilization evaluated in 148 patients

    • Christiane Eichler
    • Elisabeth Krampl
    • Wilfried Feichtinger

    Short Communications Pages: 223 - 227

12. A function test to assess the responsibility of oocyte and sperm quality in in vitro fertilization failure

    • Michelle Plachot
    • Jacqueline Mandelbaum
    • Jacques Salat-Baroux

    Short Communications Pages: 228 - 234

13. Improved development of human embryos cultured on a Vero cell monolayer

    • Lucie Zetová
    • Tonko Mardešič
    • Alexandra Stroufová

    Short Communications Pages: 234 - 236

14. Effect of fetal bovine serum of different gestational ages on mouse embryo growth and development

    • Terry T. Olar
    • Adele S. Potts

    Short Communications Pages: 236 - 238

15. Effect of storage of Ham's F-10 medium on one-cell mouse embryo development in vitro

    • Mahendra De Silva

    Short Communications Pages: 238 - 241