11.73: Pregnancy and Childbirth Difficulty Level: At Grade Created by: CK-12 CK-12 Life Science Concepts For Middle School Human Biology % Progress Practice Progress % Practice Now Read Practice Resources Details Loading... Vocabulary Language: English ▼ English amniotic sac amniotic sacFluid-filled membrane that surrounds the fetus. childbirth childbirthPassage of the baby from the uterus, through the vagina, and out of the mother’s body. embryo embryoStage of development that occurs from implantation in the uterus through the eighth week after fertilization in humans. fetus fetusDeveloping human baby at least eight weeks after fertilization. placenta placentaMass of maternal and fetal blood vessels where the the mother’s and fetus’s blood exchange substances. umbilical cord umbilical cordTube that connects the fetus to the placenta. Image Attributions Description Covers the stages of pregnancy and events of childbirth. Learning Objectives None Related Materials Pregnancy and Childbirth Difficulty Level: At Grade Authors: Jessica Harwood Douglas Wilkin, Ph.D. Contributors: Doris Kraus, Ph.D. Niamh Gray-Wilson Jean Brainard, Ph.D. Sarah Johnson Jane Willan Corliss Karasov Editors: Douglas Wilkin, Ph.D. Tags: amniotic sac childbirth embryo (5 more) fetus placenta SCI.BIO.957.2.L.2 SCI.LSC.957.2.L.1 umbilical cord Subjects: science Life Science Concept Nodes: SCI.LSC.957.2 (Pregnancy and Childbirth) Grades: 7 , 8 Date Created: Nov 29, 2012 Last Modified: Mar 06, 2015 Vocabulary None You can only attach files to Modality which belong to you If you would like to associate files with this Modality, please make a copy first.