1. Genetics update: Infertility due to a point mutation

   • Charles M. Strom

   News and Views Pages: 89 - 89

2. Attitudes toward embryo research

   • David R. Bromham

   Reproductive Health Care Policies Around the World Pages: 90 - 93

3. Controversies and opinions in clinical microsurgical fertilization

   • Jacques Cohen
   • Beth E. Talansky
   • Zev Rosenwaks

   Controversies in Assisted Reproduction Pages: 94 - 96

4. Subzonal sperm insertion and the frequency of gamete fusion

   • Mina Alikani
   • Alexis Adler
   • Jacques Cohen

   Clinical Assisted Reproduction Pages: 97 - 101

5. Lack of correlation between hormonal blood levels and endometrial maturation in agonadal women with repeat implantation failure following embryo transfer from donated eggs

   • Isaac Ben-Nun
   • Amir Less
   • Annette Siegal

   Clinical Assisted Reproduction Pages: 102 - 105

6. Relationship among serum levels of luteinizing hormone, estradiol, and progesterone during follicle stimulation and results of in vitro fertilization and embryo transfer (IVF-ET)

   • Toshiaki Kagawa
   • Shuji Yamano
   • Toshihiro Aono

   Clinical Assisted Reproduction Pages: 106 - 112

7. Menotropin stimulation after prolonged gonadotropin releasing hormone agonist pretreatment for in vitro fertilization in patients with endometriosis

   • Kiyoshi Nakamura
   • Masami Oosawa
   • Yutaka Tomoda

   Clinical Assisted Reproduction Pages: 113 - 117

8. Review

   • Roger G. Gosden

   Clinical Assisted Reproduction Pages: 118 - 123

9. Endogenous luteinizing hormone surges following administration of human chorionic gonadotropin: Further evidence for lack of loop feedback in humans

   • Shahla Nader
   • Albert S. Berkowitz

   Reproductive Endocrinology Pages: 124 - 127

10. Enhancing in vitro fertilization of mouse oocytes by partial zona pellucida digestion

    • N. Mordel
    • S. Ohad
    • N. Laufer

    Animal Investigations Pages: 128 - 132

11. Effects of human serum on rat cumulus-oocyte complex functions in vitro: Oocyte activation and endocrine secretions

    • A. W. Schuetz
    • N. H. Dubin
    • R. Ghodgaonkar

    Animal Investigations Pages: 133 - 138

12. The effects of cooling mouse oocytes

    • A. Henry Sathananthan
    • Carol Kirby
    • Jill Shaw

    Animal Investigations Pages: 139 - 148

13. In vitro preimplantation mouse embryo development with incubation temperatures of 37 and 39°C

    • F. C. Gwazdauskas
    • C. McCaffrey
    • J. M. Sreenan

    Animal Investigations Pages: 149 - 154

14. The effect of caffeine on the ability of spermatozoa to fertilize mature human oocytes

    • Daniel A. G. Imoedemhe
    • Alejandro B. Sigue
    • Arturo B. Olazo

    Male Infertility Pages: 155 - 160

15. Psychological and hormonal changes in the course of in vitro fertilization

    • Dalia Merari
    • Dov Feldberg
    • Baruch Modan

    Behavioral Investigations Pages: 161 - 169

16. Successful parents of in vitro fertilization (IVF): The social repercussions

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

    Behavioral Investigations Pages: 170 - 176

17. Impaired human embryo development in Earle's culture medium compared to Ham's F10

    • E. V. YoungLai
    • E. G. Hughes
    • S. Daya

    Letter to the Editor Pages: 177 - 178