The Decidual Hormones and Their Role in Pregnancy Recognition

摘要: How does the mother recognize presence of blastocyst and adjust to provide right milieu for embryo implant, grow, remain in a safe uterine environment until able survive outside womb? The answer this question, as discussed by Dr. Mori Kanzaki another chapter, appears differ different species. However one common denominator all species is necessity maintain adequate levels ovarian steroids maternal circulation rapidly change so that contact between fetus becomes possible without damage or rejection fetus.