Early Pregnancy Volume IV, Number 1 Contents

EARLY PREGNANCY:
^{Biology and Medicine}

^{Editor-in-Chief: Eytan R. Barnea MD, FACOG}

Volume IV, Number 1
ISSN: 1537-6583

	EDITORIAL
E. R. Barnea	Current progress in early pregnancy investigation and the steps ahead Part I of II
	REVIEWS
A. Ornoy and O. Diav-Citrin	Adverse environment and prevention of early pregnancy disorders
C. B. Coulam	Understanding the immunobiology of pregnancy and applying it to treatment of recurrent pregnancy loss
	ORIGINAL MANUSCRIPTS
J. E. Logan and W. E. Roudebush	Platelet-activating factor increases intracellular calcium levels in preimplantation stage embryos
E. V. Zybina, T. G. Zybina and G. I. Stein	Trophoblast cell invasiveness and capability for the cell and genome reproduction in rat placenta
A. Torok, J. Bodis and H-R. Tinneberg	A dynamic in vitro investigation of the characteristics of the granulosa cells hormone secretion
N. Gleicher, T. Brown, A. Dudkiewicz, V. Karande, R. Rao, M. Balin, D. Campbell and D. Pratt	Estradiol/Progesterone substitution in the luteal phase improves pregnancy rates in stimulated cycles-but only in younger women
	THREE MONTHS IN REVIEW
M. S. Stemmer SECTION EDITOR	Current clinical progress in early pregnancy investigation