Acknowledgment of Ad Hoc Reviewers

Vol. 57, No.1, January 1992 Printed on acid-free paper in U.S.A.

FERTILITY AND STERILITY Copyright c 1992 The American Fertility Society

Acknowledgment of Ad Hoc Reviewers I wish to express my deep appreciation to the members of the Editorial Board for the many long hours they have spent reviewing manuscripts. In addition, warm thanks are extended to all those who so graciously served as ad hoc reviewers, some on numerous occasions, during 1991. Manuscripts continue to be submitted in record numbers. In 1991 over 900 new manuscripts were received and reviewed. Our hard working Editorial Board and the 529 Ad Hoc Review Board members generated over 500 and 1500 manuscript reviews respectively. The remarkable generosity of time given voluntarily by so many in the interest of good science, our journal, and our society makes possible the quality magazine it has become.

The Editor

Immediate Past Editorial Board Members Robert Israel, M.D.

Sezer Aksel, M.D. Nancy J. Alexander, Ph.D. Richard D. Amelar, M.D. Rudi Ansbacher, M.D. David F. Archer, M.D.

Raphael Jewelewicz, M.D. Georgeanna Seegar Jones, M.D. HowardJ. Judd, M.D.

William W. Beck, Jr., M.D. Richard J. Blandau, Ph.D., M.D. Benjamin G. Brackett, D.V.M., Ph.D. Richard B. Bourne, M.D. Veasy C. Buttram, Jr., M.D.

John J. Sciarra, M.D., Ph.D. James R. Scott, M.D. Sander S. Shapiro, M.D. Alvin M. Siegler, M.D., D.Sc. William N. Spellacy, M.D. Leon Speroff, M.D.

Larry I. Lipshultz, M.D: J. William McRoberts, M.D. Richard P. Marrs, M.D. Donald J. Mehan, M.D. L. Russell Malinak, M.D.

Abraham T. K. Cockett, M.D. Ronald Nelson, M.D. Lawrence Dubin, M.D. Carl J. Pauerstein, M.D.

Luther M. Talbert, M.D. Donald R. Tredway, M.D., Ph.D. Dan Tulchinsky, M.D. Patrick C. Walsh, M.D. Anne Colston Wentz, M.D. Tiffany J. Williams, M.D. H. Oliver Williamson, M.D. Don P. Wolf, Ph.D.

Charles B. Hammond, M.D. Mary Hammond, M.D. Florence P. Haseltine, Ph.D., M.D.

Ad Hoc Reviewers-1991 ANIBAL A. ACOSTA G. DAVID ADAMSON JAMES AKIN SEZER AKSEL SAM E. ALEXANDER RICHARD D. AMELAR DEBORAHJ.ANDERSON EVERETT ANDERSON TED A. ANDERSON WILLIAM C. ANDREWS AMIR H. ANSARI RUDI ANSBACHER J.D. APLIN RoDNEY A. APPELL ANTHONY ARCHIBONG D. RANDALL ARMANT RICARDO AzziZ CARRIE J. BAGATELL BILLY BAGGETT MICHAEL S. BAGGISH JERALDBAIN DONNA D. BAIRD H. W. GORDON BAKER G. DAVID BALL JOSE P. BALMACEDA DAVIDBARAM PATRICIA E. BARG PEDRO N. BARR! KATHERINE BASS BRUCE G. BATEMAN

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FRANCES R. BATZER ALANE. BEER ARNOLD M. BELKER ZION BEN-RAFAEL ANDREW BERCHUCK SARAH L. BERGA CHARLENE BERGER RICHARD E. BERGER TRISH BERGER PAUL A. BERGH PAIGE K. BESCH KEVIN L. BILLUPS ZVIBINOR RICHARD E. BLACKWELL KARIN BLAKEMORE JOSEF BLANKSTEIN LUIS BLASCO GILLES BLEAU ERIC BLOCH JEFFREY BOLDT ALLAN T. BOMBARD ARIFF BONGSO LARRY R. BOOTS RICHARD B. BOURNE STEPHEN P. BOYERS MICHAEL B. BRACKEN BENJAMIN G. BRACKETT D. WARE BRANCH MAL BRANDON WILLIAM J. BREMNER ROBERT M. BRENNER

Kempers Editor's letter

RICHARD A. BRONSON ROBERT BRZYSKI JEFFREY P. BUCH

WILLIAM C. Bum LANl JOHNSON BURKMAN JOHN E. BUSTER MARIA BUSTILLO WILLIAM J. BUTLER VEASY C. BUTTRAM, JR. WILLIAM BYRD JUDY CAMERON BRUCE R. CARR CULLEY C. CARSON, III RoBERT F. CASPER MARcELLE I. CEDARS PHILIP J. CHAN STEVEN Y. W. CHAN R. JEFFREY CHANG FREDRICK K. CHAPLER T.CHARD M. CRISTINE CHARLESWORTH DAN CHAVEZ GREG CHRISTMAN CURTIS CHUBB DAVID A. CLARK DANIELL. CLARKE-PEARSON CHARLES C. CODDINGTON, III BRIAN M. COHEN JACQUES COHEN AILA COLLINS

JOHN A. COLLINS RoBERT COLLINS FRANK COMHAlRE PONJOLA CONEY EDMUND CONFINO CHRISTINE L. COOK lAND. COOKE RoBERT W. COOMBS RANDLE S. CORFMAN STEPHEN L. CORSON CAROLYN B. COULAM CHRISTOS COUTIFARIS SHARON N. COVINGTON BRYAN D. COWAN DANIEL CRAMER KENT CRICKARD NICHOLAS L. CROSS GORDON B. CUTLER, JR. MARIAN D. DAMEWOOD DOUGLAS R. DANFORTH JAMES F. DANIELL JUDITH C. DANILUK RUSSELL DAVIS M. YUSOFF DAWOOD D. M. DE KRETSER DOMINIQUE DE ZIEGLER FLETCHER C. DERRICK, JR. GARY W. DEVANE GORDON DEWALD A. M. DHARMARAJAN

Fertility and Sterility

MICHAEL P. DIAMOND ALEXANDER M. DLUGI W. PAUL DMOWSKI WILLIAM G. DODDS MELVIN G. DODSON WILLIAM C. DODSON ALICE D. DOMAR DEBRA DONIACH JAMES F. DONOVAN JAMES H. DORSEY JENNIFER I. DOWNEY TERRANCE S. DRAKE ERMA Z. DROBNIS KATHY DROESCH LAWRENCE DUBIN LAWRENCE W. EDDIE CARLTON A. EDDY DAVID A. EDELMAN MICHAEL C. EDELSTEIN RICHARD A. EDGREN ESTHER EISENBERG SHERMAN ELIAS LINDA R. ELLSWORTH ALLEN C. ENDERS GERHARD C. ENDLER KATSUHIDE ENDO GREGORY F. ERICKSON LISA D. ERICKSON DAVID A. ESCHENBACH LAWRENCE ESPEY JOHANNESL.H.EVERS PETER J. FAGAN BERNARD FALLON SEBASTIAN FARO MICHAEL FERIN JOSEPH R. FESTE PETER FE'ITEROLF SIMON FISHEL ARTHUR C. FLEISCHER ROBERT H. FOOTE ROBERT G. FORMAN HAROLD E. Fox MARILYNN C. FREDERIKSEN ANDREW J. FRIEDMAN MARC A. FRITZ EDWARD F. FuGGER DAVID L. FuLGHAM JOSEPH C. GAMBONE JAIRO E. GARCIA ROGER GARCIA SHARON T. GELLERT-MORTIMER RONALD S. GmBS DENNIS A. GILBERT PAUL R. G!NDOFF KENNETH GINSBURG JAMES R. GIVENS BARTON L. GLEDHILL NORBERT GLEICHER CAROL L. GNATUK ABRAHAM GOLAN MITCHELL GOLBUS JAMES M. GOLDFARB VICTOR GOMEL BERNARD GONDOS JESSIE GoODPASTURE JON W. GORDON KEITH GORDON FRED GORSTEIN STANLEY H. GREENBERG DOROTHY A. GREENFELD JAMIEGRIFO DAVID A. GRIMES JOHN H. GROSSMAN, III J. G. GRUDZINSKAS GEORGE M. GRUNERT LAWRENCE GRUNFELD

Vol. 57,

No.1, January 1992

DIETER W. GUMP DAVIDS. GUZICK JOUKO K. HALME S.HAMAMAH DIANE G. HAMMITT CHARLES B. HAMMOND MARY HAMMOND R. J. T. HANCOCK A. H. HANDYSIDE MICHAEL J. K. HARPER KEITH L. HARBISON ROBERT F. HARBISON ARY A. HAsPELS S. M. HAUMONT BRIAN HEAP LERoY W. HEINRICHS DANIEL K. HELLERSTEIN WAYNEJ. G. HELLSTROM W.F.HENDRY AVNER HERSHLAG JOHN S. HESLA DAVID L. HESS GEORGE A. HILL JOSEPH A. HILL LYNDON M. HILL TORBJORN HILLENSJO TAGEHJORT BASIL Ho YUEN RICHARD HOCHBERG DAVID HOFFMAN GLEN E. HOFMANN ALAN HOGGE JAMES F. HOLMAN KiNG K. HOLMES GARY L. HOLTZ HENRY A. HOMBURGER MARK D. HORNSTEIN PETER M. HORVATH DALE HOSKINS AARONHSUEH THOMAS T. F. HUANG, JR. GEORGE R. HUGGINS JAROSLAV F. HULKA TERRY T. HUNG JOANS. HUNT ROBERT B. HUNT BRAD HURST GABOR HUSZAR DAVID A.IDDENDEN D. STEWART IRVINE KEITH B. ISAACSON ROBERT ISRAEL ALLAN J. JACOBS BARBY R. JACOBS HOWARDS. JACOBS LAURENCE A. JACOBS GEORGIANNA M. JAGIELLO ROBERT P. JANSEN JONATHAN P. JAROW ANNE M. JEQUIER RAPHAEL JEWELEWICZ MARK JOHNSON P. M. JOHNSON GARY JONES RoBERT B. JONES VISHVANATH C. KARANDE EUGENE KATZ ROBERT A. KAUFMAN RALPH R. KAZER CAROL L. KEEFER BROOKS A. KEEL KENNETH R. KELLNER EKKEHARD KEMMANN DANIEL KENIGSBERG JANET L. KENNEDY

JOHN F. KERIN MICHAEL KE'ITEL WILLIAM R. KEYE ANN A. KIESSLING MooN H. KIM CAROL KIRBY JAMES D. KITCHIN, III EDWARD L. KLAIBER SUSAN C. KLOCK MICHAEL KOUTSILIERIS OLIVER L. KREITMANN JAN KREMER LEWISKREY CAROLYN J. KUBIK G. G. J. M. KUIPER WILLIAM H. KU'ITEH ANDREW R. LABARBERA DOLORES J. LAMB EMMET J. LAMB SUSAN E. LANZENDORF NERILAUFER GADLAVY EDWARD R. LAWS, JR. HERSCHEL LAWSON LAWRENCE LAYMAN RICHARD E. LEACH ARTHUR LEADER GREGORY LEE JOHN LEETON S. P. LEmo ANDRE LEMAY BRUCE A. LESSEY RoNALD L. LEVINE CARL LEVINSON MICHAEL J. LEVY RONALD W. LEWIS VIVIAN LEWIS LARRY I. LIPSHULTZ BURT A. LITTMAN D. Y. Lru STEVEN. LONDON ALEXANDER LOPATA EBERHARD LOTZE RANDALL A. LoY ANTHONY A. LUCIANO TOMF. LUE GERT LYKKESFELDT CHERRIE A. MAHI-BROWN PATRICIA P. MAHLSTEDT MARY C. MAHONY DONALD B. MAIER AMNON MAKLER L. RUSSELL MALINAK GEORGE D. MALKASIAN POLLY A. MARCHBANKS JOHN L. MARLOW GEORGE B. MAROULIS RICHARD P. MARRS EDWARD L. MARUT ILAMASLAR LUIGI MASTROIANNI, JR. JOHN H. MATTOX ALEXANDER MAXIMOVICH WAYNE S. MAxSON SHIRLEY MCCARTHY HOWARD D. MCCLAMROCK R. DALE MCCLURE PETER F. MCCOMB P. R. MCCONNACHIE JOHN A. McCOSHEN JAMES A. MCGREGOR JOHN A. MCINTYRE ROBERTI. MCLACHLAN KENNETH P. MCNATTY RANDALL MEACHAM CURTIS L. MEINERT ALAN C. MENGE

DEBORAH A. MET.IlGER HELENE MEUNIER VIRGINIA MICHELS MICHAEL M. MILLER WARREN B. MILLER MURRAY MITCHELL ABRAHAM MORGENTALER DAVID MORTIMER SUHEIL J. MUASHER S!GFRID A. MULLER ABRAHAM K. MUNABI ANA A. MURPHY KENNETH N. MUSE, JR. JOHN R. MUSICH HARBIS M. NAGLER STEVEN T. NAKAJIMA DANIEL NAVOT RONALD M. NELSON RoBERT S. NEUWIRTH CHRISTOPHER R. NEWTON SOON-CHYE NG TODD B. NIPPOLDT BRUCE NISULA ROBERT J. NORMAN ROBERT C. NORTHCUTT JUDY NOVOSAD MILES J. NOVY WALLACE C. NUNLEY, JR. STEPHEN J. O'BRIEN KEVIN E. O'GRADY CHRISTOPHER O'NEILL MICHAEL G. O'RAND DAVID L. OLIVE KEVIN G. OSTEEN LAURIE PAAVOLA C. RICHARD PARKER, JR. TIM H. PARMLEY CARL J. PAUERSTEIN DAVID F. PAULSON RICHARD J. PAULSON JOHN J. PELUSO ROGER J. PEPPERELL EDWIN P. PETERSON DAVID M. PHILLIPS WILLIAM R. PHIPPS LEONARD PINSKY DONALD E. PITTAWAY LEO PLOUFFE, JR. FRANCIS F. POLANSKY THOMAS B. POOL GAIL PRINS MARTIN M. QUIGLEY PATRICK J. QUINN RON RABINOWITZ JACOB RAJFER RICHARD G. RAWLINS ANTHONY E. READING ROBERT W. REBAR E. ALBERT REECE ROBERT L. REID MITCHELL S. REIN RICHARD H. REINDOLLAR ROBERT C. REITER DANIEL H. RIDDICK GAIL ERLICK RoBINSON B. JANE ROGERS NOELR. RoSE GREGORY F. RoSEN DAVID L. ROSENFELD MIRIAM B. ROSENTHAL SUSANNE RUGE RUDY E. SABBAGHA ANTHONY SACCO

Kempers Editor's letter

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BRUCE A. SANDOW JOSEPH S. SANFILIPPO MARK V. SAUER DOUGLAS M. SAUNDERS ROBERT S. SCHENKEN WENDY J. SCHERZER WILLIAM D. SCHLAFF MARCIA L. SCHMEHL CECILIA L. SCHMIDT PAT SCHREINER-ENGEL ELDON D. SCHRIOCK HAROLD SCHULMAN JoSEPH D. ScHULMAN JOHN J. SCIARRA ANTONIO SCOMMEGNA J.S.SCOTT JAMES R. SCOTT NATALIE F. SCULLY MACHELLE M. SEIBEL JEFFREY C. SEILER MARKKU SEPPALA PAUW SERAFINI RoBERT SHABANOWITZ ROCHELLE N. SHAIN MARGUERITE K. SHEPARD DONNA SHOUPE ANDREA M. SHREDNICK SIDNEY SHULMAN ALVIN M. SIEGLER MARK SIGMAN PAUL D. SILVA KAYLEN M. SILVERBERG JOE LEIGH SIMPSON MICHAEL J. SINOSICH

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Kempers

Y. CHENG SMART THOMAS F. SMITH RICHARD M. SODERSTROM REBECCA Z. SOKOL SENG-JAW SOONG MICHAEL R. SOULES LEON R. SPADONI WILLIAM N. SPELLACY MONICA STARKMAN JOHN F. STEEGE KENNETH A. STEINGOLD MICHAEL P. STEINKAMPF ALEX STEINLEITNER DONALD T. STEPHENS VERNON C. STEVENS BRONTE STONE RICHARD L. STOUFFER THOMAS G. STOVALL EARL W. STRADTMAN JEROME S. STRAUSS CARWS E. SUELDO MARK W. SURREY CRAIG SWEET YONATADIR BETH T ALANSKY LUTHER M. TALBERT RALPH K. TAMURA MELVIN L. TAYMOR PAUL F. TRRRANOVA JACQUES TEsTART SANDRA P. T. THO ANTHONY J. THOMAS, JR. WILLIAM 0. THOMPSON

Editor's letter

KAORI TOGASHI GEORGE TOLlS JAMES TONER THOMAS L. TOTH DONALD R. TREDWAY GEOFFREY W. TREGEAR TRUDY C. M. TRIMBOS-KEMPER ALAN 0. TROUNSON CHARLES C. TSAI TOGAS TuLANDI DAN TULcHINSKY IAN S. TUMMON LEETYREY RoNALD L. URRY WULF H. UTIAN JONATHAN VAN BLERKOM DEAN VAN VUGT CATHERINE A. VANDEVOORT LUCINDA L. VEECK PEDRO VERDUGO BARRY S. VERKAUF MICHAEL W. VERNON MARION S. VERP

ALAN J. W ABREK HEINZ W. W AHNER AN-CHUAN WANG CHRISTINA WANG J. BRICE WEINBERG STUART WEINER JOHN L. WEINERTH GLENN A. WEITZMAN

ANNE COLSTON WENTZ CAROL ANNE WHEELER JAMES M. WHEELER GAIL F. WHITMAN R. HERBERT WIEBE KLAUS WIEMER LYNNE S. WILCOX ROBERT A. WILD LYNN M. WILEY STAN WILLIAMS TIFFANY J. WILLIAMS GUY WILLIAMS-AsHMAN H. OLIVER WILLIAMSON JOHN F. WILSON CRAIG A. WINKEL KEVIN L. WINSWW STEVEN S. WITKIN P.L. WOOD RYUZO Y ANAGIMACHI SEN-LIAN YANG BILLYEE SAMUELS. C. YEN EDWARD YUREWICZ MARVIN A. YUSSMAN HOWARD A. ZACUR LUCIANO ZAMBONI VANNA ZANAGNOW LOURENSJ.D.ZANEVELD ARTURO ZARATE PAUL W. ZARUTSKIE ANTHONY J. ZELEZNIK MICHAEL J. ZINAMAN

Fertility and Sterility