OB Week 1 Flashcards
Test 1
OB Week 1
What is EDD?
Estimated date of delivery
OB Week 1
What is EDC
Estimated date of confinement
OB Week 1
How is the estimated date of a baby’s birth is calculated from:
The 1st day of a baby’s birth is calculated from the the 1st day of the woman’s last normal menstual period.
OB Week 1
Nagel’s Rule
- Subtract 3 months from first day of last LMP
- Add 7 days
- Correct the year if necessary
OB Week 1
Any pregnacy loss before the 20th week or weighing less than 500 grams. Abortion can be either spontaneous” (SAB) or “therapeutic” TAB
Abortion
OB Week 1
A birth occurring between 34 0/7 weeks and 36 6/7 weeks of gestation (71% of all preterm births & about 12% of all births)
Preterm Birth
OB Week 1
A birth occuring after the 42 nd week
Post term Birth
OB Week 1
A birth occuring between 34 0/7 weeks and 36 6/7 weeks of gestation (71% of all preterm births & about 12% of all births.
Late Preterm
OB Week 1
The # of times a women has been pregnant (including this pregnancy), regardless of duration or outcome.
Gravida
OB Week 1
The # of pregnanies a women has completed past 20 week, regardless of whether infanct is born alive or dead. (refers to number of pregnancies not fetuses).
Para
OB Week 1
More complex method of describing “PARA”
TPAL method
OB Week 1
Is often recorded in 4 numbers
PARA
OB Week 1
The number of term deliversis (after 37 weeks)
T= Term
OB Week 1
The number of premature deliveries (> 20 and < 37 wk)
P= premature
OB Week 1
A= the number of abortions (either spontaneous or therapeutic)
A= abortions
OB Week 1
L= the number of living children
L= Living
OB Week 1
A women who is pregnant for the 1st time
Primigravida
OB Week 1
A women who has been pregnant more than once.
Multigravida
OB Week 1
A women who has never completed a pregnancy past weeks 20 weeks.
Nullipara
OB Week 1
A women who has given birth 2 or more times over 20 weeks of gestation.
multipara
OB Week 1
A women giving birth for the first time of a pregnancy over 20 weeks gestatiion.
primapara
OB Week 1
PLACENTA Size
6-10” and 1” thick
OB Week 1
Placenta weight
1 lb to 1.5 lbs.
OB Week 1
Placenta structure
Divided into sections or segments called Cotyledons.