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39 - Physiology of pregnancy Physiology Zhao aimin...

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Physiology of pregnancy Physiology of pregnancy Zhao aimin
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Definition of pregnancy Definition of pregnancy Pregnancy is defined as the course of embryo and fetal growth and development in uterine It begain at the fertilization and end the delivery of the fetal and it’s attachment
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Definition of fertilazation Definition of fertilazation Fertilization is defined as the course of combination of the oocyte and sperm It onset 12h after ovulation usually in ampulla of the oviduct(fallopian tube)
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The Development of the The Development of the fertilizated fertilizated egg egg 3 days after ovulation, the morula (early blast)is fomulated 4 days after ovulation, the late blast is fomulated 6-7 days after ovulation, the egg imbeds in the uterus
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The stage of egg imbed The stage of egg imbed Apposition Adhesion Penetration
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The necessary conditions The necessary conditions of imbed of imbed Disapearing of the pellucid zone Syntrophoblast formed from the blast Synchronizing development of blast and the endometriun P Secretory enough
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Changes of endometrium after Changes of endometrium after the egg imbed the egg imbed The endometrium changes into dicedua Basal decidua Capsular decidua True decidua
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Attachment of the fetal Attachment of the fetal Placenta Fetal membranes Umbilical cord Amniotic fluid
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