Profile of hCG Rise in Early Pregnancy; Increased Uniformity Using LH Initial Rise Compared to LMP
New Developments in Gonadotropin Biology and Pharmacology (2010) 5: 13
Johnson SR, Barrett S, Miro F, Ellis JE.
SPD Swiss Precision Diagnostics, Bedford, UK.
INTRODUCTION: Pregnancy is usually dated from LMP, with the presumption of a 28-day cycle. This can lead to hCG being 44 detected between -7 to +11 days in respect to day of expected period.…