Third month to birth
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When can a mother feel movement?
5th month
What is the fine hair that covers the baby starting in the 4th month?
lanugo hair
When is fetus at age of viability?
6th month
What is the white fatty substance that covers the body of the baby starting in the 8th month?
vernix caseosa
Labor is divided into what 3 stages?
1: effacement and dilation of cervix 2: delivery of baby 3: delivery of the placenta
What layers make up the placenta?
chorion frondosum + decidua basalis
What are cotyledons?
divisions of the placenta that make the mixing of the blood more effective
Where are hormones for pregnancy synthesized and what are they?
in the syncytiotrophoblast Progesterone, estrogenic hormones, hCG, and somatomammotropin
What is a Malformation
complete or partial absence of a structure or alterations of its normal configuration
What is a disruption
morphological alteration of an already formed structure by a destructive process
what is a deformation
mechanical forces mold a part of the fetus over time