week 1 Flashcards
what does folic acid do and how does it help the fetus
it helps neural tube development to decrease risk of things like spina bifida, hydrocephalus, etx.
what are some risk factors for a pregnancy
smoking, drugs, BMI over 30, bad oral health, alcohol, vaccines (especially live attenuated)
how much folic acid should low risk individuals be taking during pregnancy
start with 0.4mg, take throughout pregnancy and while breastfeeding or 4-6 weeks pp
what would folic acid dosing be for moderate risk pregnancies
1.0mg once daily or 3 months prior to conception and 12 weeks gestation
decrease to 0.4 mg a day for the rest
what would folic acid dosing be for high risk pregnancies
4-5mg a day for 3 months prior to and throughout 12 weeks gestation. continue throughout pregnancy and while chest feeding
what is an example of medium risk pregnancy
someone who has family history of pregnancy issues
how long is the first trimester
week 1-13
how long is the second trimester
wees 14-26
how long is the third trimester
weeks 27 through term
what are the main things that affect the conception cycle
smoking, drug and alcohol use
why do we want embryo implantation to be high in uterus
to prevent spontaneous abortion and placenta preva(low lying placenta prone to bleeding)
draw out the conception process
where does the blastocyst come from
morula
what are the three layers of blastocyst
inner: embryoblast
blastocyst cavity: blastocele
outer cells: trophoblasts
which hormone signals that fetralization has occurred which makes the corpus lute
HCG
which hormones do the corpus luteum make a lot of
estrogen and progesterone