Module 3 study Flashcards
1st trimester
1-13 weeks
2nd trimester
13-28 weeks
3rd trimester
28-40 weeks
Menstrual vs u/s pregnancy dating
< 9 weeks:
suggest changing if the difference between menstrual dates and U/S dates is
More than 5 days
9-13 6/7 weeks
Suggest changing if the difference between menstrual dates and U/S dates is
More than 7 days
Uterine size at 6 weeks
small orange or small pear
Uterine size at 8 weeks
Navel orange
Uterine size at 10-12 weeks
grapefruit
Naegele’s rule
Based on 28 day cycle
LMP + 7 days - 3 months + 1 year = estimated date of birth
30 days cycle = + 2 days
26 days cycle = - 2 days
Women Hemoglobin/hematocrit value
11/33
TSH reference range
Non pregnant: 0.34 - 4.25
First Trimester: 0.6 - 3.4….some 4.0 as upper limit
Prepregnancy BMI < 18.5
Weight category: underweight
Total weight gain: 28-40
Recommended 1st trimester: 5 lbs
Recommended 2nd and 3rd trimester: 1/wk
Prepregnancy BMI 18.5 - 24.9
Weight category: normal weight
Total weight gain: 25-35
Recommended 1st trimester: 2-5 lbs
Recommended 2nd and 3rd trimester: 1/wk
Prepregnancy BMI 25.0-29.9
Weight category: overweight
Total weight gain: 15-25
Recommended 1st trimester: 0-2 lbs
Recommended 2nd and 3rd trimester: 0.6/wk
Prepregnancy BMI > 30.0
Weight category: obese
Total weight gain: 11-20
Recommended 1st trimester: 0-1 lbs
Recommended 2nd and 3rd trimester: 0.5/wk
mild glycosuria in pregnancy
is due to increased glomerular filtration rate (GFR) and is normal in pregnancy