3:00 PM 1. THE Sp/KRUPPEL-LIKE FAMILY (KLF) MEMBER, BASIC TRANSCRIPTION ELEMENT BINDING PROTEIN-1 (BTEB1) IS IMPORTANT FOR DEVELOPMENTAL SYNCHRONY OF EMBRYO AND UTERINE ENDOMETRIUM. Velarde, Michael¹, Geng, Yan², Eason, Renea², Simmen, Frank^{1, 2}, Simmen, Rosalia^{1, 2}, ¹ University of Arkansas for Medical Sciences, Little Rock, AR² Arkansas Children's Nutrition Center, Little Rock, AR

3:15 PM 2. NEONATAL PROGESTIN EXPOSURE DISRUPTS UTERINE DEVELOPMENT AND COMPROMISES ADULT UTERINE FUNCTION IN SHEEP. Farmer, Jennifer¹, Spencer, Thomas¹, ¹ Texas A&M University, College Station, TX

3:30 PM 3. FIRST TRIMESTER HUMAN CYTOTROPHOBLAST CELLS SURVIVE LOW OXYGEN WITH HELP FROM HB-EGF. Armant, D. Randall¹, Leach, Richard², Romero, Roberto³, Edwin, Samuel³, Kilburn, Brian¹, Petkova, Anelia¹, Edwards, Holly¹, ¹ Wayne State University, Detroit, MI² University of Illinois, Chicago, IL³ National Insitutes of Health, DHHS, Bethesda, MD

3:45 PM 4. EP1 RECEPTOR-MEDIATED MIGRATION OF THE FIRST TRIMESTER HUMAN EXTRAVILLOUS TROPHOBLAST. Nicola, Catalin¹, Timoshenko, Alexander¹, Dixon, S. Jeffrey¹, Lala, Peeyush¹, Chakraborty, Chandan¹, ¹ University of Western Ontario, London, ON, Canada

4:00 PM 5. ACTIVATION OF MATRIX METALLOPROTEINASE 9 IS INDUCED BY PLASMINOGEN IN CULTURED MOUSE BLASTOCYSTS. Martinez-Hernandez, Maria¹, Baiza-Gutman, Luis¹, Aguilar-Garcia, Cristina¹, Armant, D.², ¹ Universidad Nacional Autonoma de Mexico, Mexico, Mexico² Wayne State University, Detroit, MI

4:15 PM 6. PLASMINOGEN PROCESSING BY PERI-IMPLANTATION MOUSE EMBRYOS. Baiza-Gutman, Luis¹, Martínez-Hernández, María¹, Aguilar-García, Cristina¹, Armant, D², ¹ Universidad Nacional Autónoma de México, México, México² Wayne State University, Detroit, MI

4:30 PM 7. MRI-ASSISTED ELUCIDATION OF AN IMPLANTATION DISORDER ASSOCIATED WITH AN OOCYTE- DIRECTED DEPLETION OF CONNEXIN 43. Plaks, Vicki¹, Gershon, Eran¹, Aharon, Idan¹, Galiani, Dalia ¹, Reizel, Yithak¹, Bar, Nadav¹, Granot, Irit², Winterhager, Elke³, Neeman, Michal¹, Dekel, Nava¹, ¹ The Weizmann Institute of Science, Rehovot, Israel² Kaplan Medical Center, Rehovot, Israel³ University Hospital Duisburg - Essen, Duisberg, Essen, Germany

4:45 PM 8. OVINE ENDOGENOUS BETARETROVIRUSES (enJSRVs) REGULATE CONCEPTUS GROWTH AND DEVELOPMENT. Dunlap, Kathrin¹, Hayashi, Kanako ¹, Adelson, David ¹, Palmarini, Massimo², Spencer, Thomas¹, ¹ Texas A&M University, College Station, TX² University of Glasgow, Glasgow, Scotland