The Germinal Period
The length of the germinal period
What is 14 Days?
The start and end of the Embryonic Stage in weeks
What is Weeks 3-8?
The start and end of the fetal period
What is 9-40 weeks?
Gills and a tail are apparent in this stage
The longest stage of labor
What is stage 1? (early and active labor)
The beginning of the germinal period
What is conception?
When the neural tube starts to form
What is 4 weeks after conception?
Cycles of sleep and wakefulness are present during this month of pregnancy
What is the 5th month?
Percentge of blastocysts that do not implant in the uterine wall
What is 50-75%?
The placenta comes out in this stage
What is stage 3?
The name of the newly fertilized cell
What is the zygote?
The structure that provides nourishment and oxygen to the embryo
What is the placenta?
The age of viability
What is 24 weeks?
The stage where the organism is most vulnerable if exposed to harmful substances
What is the embryonic period?
The term for the baby's head showing in the vaginal opening
What is crowning?
Where conception typically takes place
What are the fallopian tubes?
The approximate length of the embryo at 8 weeks
What is 1 inch?
What is hiccup?
the age the fetus can respond to sounds
Two things that can cause Stage 2 to last longer
What is first time birth and certain pain medications?
The term for when the blastocyst embeds into the uterine wall
What is implantation?
the term for development occuring from head to tail
What is cephalocaudal?
The week in which sexual organs differentiate
What is 12 weeks?
The term for development from the midline outward
What is proximodistal?
The fetus starts to move into the birth canal during ________.
What is active labor (stage 1)?