上海交通大学医学院：《妇产科学》（双语） 39 Physiology of pregnancy

Physiology of pregnancy Zhao aimin

Physiology of pregnancy Zhao aimin

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 th delivery of the fetal and it's attachment

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

Definition of fertilzation 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

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)

The Development of the fertilizated egg a 3 days after ovulation, the morula (early blast)is fomulated u 4 days after ovulation, the late blast is fomulated 0 6-7 days after ovulation, the egg imbeds in the uterus

The Development of the fertilizated 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

The stage ofegg imbed 日 Apposition 日 Adhesion 口 Penetration

The stage of egg imbed ❑ Apposition ❑ Adhesion ❑ Penetration

The necessary conditions of imbed a Disapearing of the pellucid zone a Syntrophoblast formed from the blast a Synchronizing development of blast and the endometrium 口 P Secretory enough

The necessary conditions of imbed ❑ Disapearing of the pellucid zone ❑ Syntrophoblast formed from the blast ❑ Synchronizing development of blast and the endometriun ❑ P Secretory enough

Changes of endometrium after the egg imbed The endometrium changes into 真蜕膜 底蜕膜 dicedua 叶状绒毛 日 Basal decidua 包蜕膜 滑泽绒毛 日 Capsular decidua 口 True decidua 图41早期妊娠子宫蜕膜与绒毛的关系

Changes of endometrium after the egg imbed The endometrium changes into dicedua ❑ Basal decidua ❑ Capsular decidua ❑ True decidua

Attachment of the fetal 口 Placenta 口 Fetal membranes 口 Umbilical cord 口 Amniotic fluid

Attachment of the fetal ❑ Placenta ❑ Fetal membranes ❑ Umbilical cord ❑ Amniotic fluid

placenta It's an exchange organ between maternal and fetal 口 Amniotic membrane 口 chorion frondosum 口 Basal decidua

placenta It’s an exchange organ between maternal and fetal ❑ Amniotic membrane ❑ chorion frondosum ❑ Basal decidua

chorion frondosum 13-21 days after ovulation, villi fomulating gradually 口 Grade viili 口 Grade viili 口 Grade viili

chorion frondosum 13-21 days after ovulation, villi fomulating gradually ❑ Grade I viili ❑ Grade II Iviili ❑ Grade III viili