Freezing of embryos: Early vs late stages André C. Van SteirteghemEtienne Van den Abbeel News and Views Pages: 185 - 186
Chemical removal of the outside of the zona pellucida of day 3 human embryos has no impact on implantation rate Michael J. TuckerNicole M. LueckeGraham Wright Clinical Assisted Reproduction Pages: 187 - 191
Effects of medium composition on murine and human blastocyst formation and hatching rate Terry T. OlarAdele S. Potts Animal Investigations Pages: 192 - 196
The fate of embryos transferred into the uterus Yasuo GotoYoichi NodaTakahide Mori Animal Investigations Pages: 197 - 201
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 ElstSigrid S. NerinckxAndré C. Van Steirteghem Animal Investigations Pages: 202 - 212
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-NunAdrian ShulmanYoram Beyth Short Communications Pages: 213 - 215
A prospective study of echographic endometrial characteristics and pregnancy rates during hormonal replacement cycles Veronica AlamLuca BernardiniJose P. Balmaceda Short Communications Pages: 215 - 219
Supernumerous oocytes transferred in gamete intrafallopian transfer (GIFT) Gin-den ChenMing Te LinChung Chia Huang Short Communications Pages: 219 - 223
The relevance of endometrial thickness and echo patterns for the success of in vitro fertilization evaluated in 148 patients Christiane EichlerElisabeth KramplWilfried Feichtinger Short Communications Pages: 223 - 227
A function test to assess the responsibility of oocyte and sperm quality in in vitro fertilization failure Michelle PlachotJacqueline MandelbaumJacques Salat-Baroux Short Communications Pages: 228 - 234
Improved development of human embryos cultured on a Vero cell monolayer Lucie ZetováTonko MardešičAlexandra Stroufová Short Communications Pages: 234 - 236
Effect of fetal bovine serum of different gestational ages on mouse embryo growth and development Terry T. OlarAdele S. Potts Short Communications Pages: 236 - 238
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