OB 1 Flashcards
Common symptoms of pregnancy (initially)
Amenorrhea, breast tenderness, nausea and vomiting
What is morning sickness caused by?
increasing beta-HCG, esetrogen and progesterone
embryo
fertilization to 8 weeks
fetus
8 weeks to birth
infant
birth to one year old
developmental age
number of days since fertilization
gestational age
number of days/weeks since last menstrual period (usually 2 wks longer than DA)
Nagele rule
LMP - 3 months + 7 days = EDD
first trimester
fertilization until 12 weeks (DA) or 14 weeks GA
second trimester
DA: 12 - 24 weeks or GA 14 - 26 weeks
third trimester
DA: 24 weeks to birth or GA 26 weeks to birth
pre-viable
fetus born before 24 weeks
preterm
fetus born between 25 - 37 weeks
term
fetus born between 38 - 42 weeks
postterm
fetus born after 42 weeks
gravidity
number of times a patient has been pregnant
parity
what happens to pregnancy, 4 parts: term births, preterm births, abortions, living children
goodell sign
softening of the cervix, felt first at 4 weeks DA
quickening
first time the mother feels fetal movement, often 16-20 weeks, earlier for multiparous women
ladin sign
softening of the midline of the uterus, felt at 6 weeks
Chadwick sign
blue discoloration of vagina and cervix, 6-8 weeks
telangiectasias/palmar erythema
small blood vessels/reddening of the palms, first trimester
chloasma
“mask of pregnancy” - hyperpigmentation of face, forehead, nose and cheeks; @ 16 weeks
linea nigra
line of hyperpigmentation that can extend from xiphoid to pubic symphysis, second trimester