Describe the GxPy nomenclature for pregnant patients / Define gestational age, preterm, postterm, embryo, fetus, abortus / What hormone does the corpus luteum secrete? October 27th, 2008 by reuben in pregnancy Back Top Tags: card 560. CDC criteria for hospitalization of PID / Inpatient Rx / Outpatient Rx 562. Origin of HCG / What is a pseudoerosion? / What is chadwick's sign Leave a Reply Cancel reply Please post any discussion to the emupdates Reddit page.