6.1 Proper Nutrition Throughout Pregnancy Flashcards
What are teratogens?
compounds that can increase the risk of a birth defect
What are examples of teratogens?
smoking
medications
recreational drugs
tobacco
alcohol
What are the main health desires for pregnancy?
healthy body weight
properly controlling existing health conditions
avoidance of teratogens
What are the key developmental stages during pregnancy?
fertilization
blastogenic stage
embryonic stage
end of first trimester
fetal stage
What is fertilization?
when the egg and sperm unite to form a zygote
What is the blastogenic stage?
period of rapid cell division
What is the time frame for the blastogenic stage?
days 1-14
What day is an embryo formed?
day 14
What is the embryonic stage?
organ systems are developing
What is the time frame for the embryonic stage?
weeks 2-8
What week does the heart begin to beat?
week 5
What week is the embryo known as a fetus?
week 8
What has occured by the end of the first trimester?
most organs are formed and the fetus can move
What is the fetal stage?
period of continual growth and development
What is the time frame for the fetal stage?
weeks 9-40
