Three trimesters of pregnancy - ANS-1st: week 1-13
2nd: weeks 14-27
3rd: weeks 28 to delivery
Naegeles rule of EDB - ANS-First day of LMP- subtract 3
... [Show More] months, add 7 days and one
year
Ultrasound to determine EDB - ANS-1st trimester: accurate within 7 days
2nd trimester: accurate within 10-14 days
The sooner a woman gets an ultrasound the better estimate we can give for weeks
gestation and tracking of fetal growth and development.
Prenatal visit schedule for low-risk pregnancies - ANS--Preconception visit: up to 1 yr
before conception
-1st prenatal visit: 6-8wks after missed menses
Up to 28 weeks- every 4 weeks
28 to 36 weeks - every 2 weeks
36 weeks and on -every week or more as necessary
First prenatal visit should include - ANS-· Confirmation of pregnancy
1. Pregnancy test and ultrasound
· History
· Menstrual history (LMP) and obstetric history
· Past medical history
· Nutrition and habits: tobacco, alcohol, drugs
· Genetic history: mom, father and 1st relative
· Social history including work, abuse, coping
· Current symptoms
· Physical exam and labs
1. Pelvic exam and pap smear
2. Blood type and antibody screen
3. Rubella and hepatitis B titer
4. GC, RPR, HIV, Hep C
5. CBC
6. Urinalysis with culture
7. UDS (?)
Prenatal visits 12-21 weeks - ANS-Quad Marker screening, discuss newborn feeding
options
Prenatal visit 18-22 weeks - ANS-Anatomy OB ultrasoundPrenatal visit 24-28 weeks - ANS-1 hour glucose test, RH neg type and screen
Prenatal visit 28-34 weeks - ANS-RhoGam administration, STI testing if indicated,
review newborn feeding discussion, administer Tdap, preterm labor assessment and
education at each visit
Prenatal visit 34-36 weeks - ANS-Group B strep swab, review s/s of labor and review
labor plan
Prenatal visit 36-40+ weeks - ANS-fetal position assessment, cervical exam, review s/s
of false labor vs true contractions [Show Less]