Placenta barrier (placenta membrane)

The placenta (胎座) of the beans (豆) is ( )

胎盘（placenta）的功能主要有

中国大学MOOC: The maternal and fetal components of the placenta are

Scabies is transmitted through（ ） A: Respiratory tract B: Oral ingestion C: Placenta D: Contact

A 27-year-old pregnant woman has severe pain in the lower abdomen during labor.She refused to press Lower abdomen,The most likely diagnosis is: A: Placental abruption B: Partial placenta previa C: Complete placenta previa D: Threatened uterine rupture E: Uterine rupture

Which one is the structure that nourishes the developing fetus? A: mammary gland B: placenta C: cervix D: follicle

Following<br/>glands are mixed endocrine glands, except () A: thyroid B: pancreas C: ovaries D: placenta

Which of the following best describes the placental components of dizygotic twins?? ;One placenta,two amniotic sacs,two chorions|Two placentas,two amniotic sacs,one chorion|One placenta,two amniotic sacs,one chorion|Two placentas,two amniotic sacs,two chorions

Risk factors for preeclampsia do not include: A: Age>;40 B: diabetes C: history of preclampsia D: placenta previa