1. Cryopreservation of Embryos, Blastocysts, and Pregnancy Rates of Blastocysts Derived from Frozen-Thawed Embryos and Frozen-Thawed Blastocysts

   • Kostas Pantos
   • Konstantinos Stefanidis
   • Vasilios Tzigounis

   OriginalPaper Pages: 579 - 582

2. Ethical Dimensions of the Number of Embryos to be Transferred in In Vitro Fertilization

   • Frank A. Chervenak
   • Laurence B. McCullough
   • Zev Rosenwaks

   OriginalPaper Pages: 583 - 587

3. Increasing Synthetic Serum Substitute (SSS) Concentrations in P1 Glucose/Phosphate-Free Medium Improves Implantation Rate: A Comparative Study

   • Dalit Ben-Yosef
   • Israel Yovel
   • Ami Amit

   OriginalPaper Pages: 588 - 592

4. Prospective Randomized Comparison of Ovarian Blockade with Nafarelin Versus Leuprolide During Ovarian Stimulation with Recombinant FSH in an ICSI Program

   • José G. Franco Jr
   • Ricardo L. R. Baruffi
   • Erika Garbellini

   OriginalPaper Pages: 593 - 597

5. Seasonal Influences on In Vitro Fertilization and Embryo Transfer

   • Monika Weigert
   • Wilfried Feichtinger
   • Peter Bauer

   OriginalPaper Pages: 598 - 602

6. A Corpus Luteum Is Not a Prerequisite for the Expression of Progesterone Induced Blocking Factor by T-Lymphocytes a Week After Implantation

   • Jerome H. Check
   • Julia Szekeres-Bartho
   • Matthew L. Check

   OriginalPaper Pages: 603 - 607

7. Improved Responsiveness of PCOS Patients to Clomiphene After CYP17a Inhibitor

   • Hassan Ali Hassan
   • Dalal El-Gezeiry
   • Iman Baghdady

   OriginalPaper Pages: 608 - 611

8. Study of Microdeletions in the Y Chromosome of Infertile Men with Idiopathic Oligo- or Azoospermia

   • Guimei Yao
   • Guian Chen
   • Tianming Pan

   OriginalPaper Pages: 612 - 616

9. News Around the World: The Reduction of Sperm Donor Candidates Due to the Abolition of the Anonymity Rule: Analysis of an Argument

   • Pennings Guido

   OriginalPaper Pages: 617 - 622