ANC Flashcards
Return visits in ANC
0-28w: once every month
28-36w: twice every month
>36: once till labor
Decreasing no. Of ANC visits to 4 was associated with:
- Not increase in AE
- decreased satisfaction
pregnancy test results occur after
- urine
- blood:
Urine: 12-14d
Blood: 11d
From ovulation
What could give false positive urinary pregnancy test results
- Increase protein in the urine like in hematuira, IgM, proteinurea.
- disease increasing HCG like choriocarcinoma
- LH increasing disease
Risk of Down syndrome increases in patients aged:
35 or older
When to add +9 and when to subtract -3 from month for EDD
- jan
- feb
- march
Add 9 months
What is the naegler’s rule for EDD
LMP + 7d
+9m or -3m
Full duration of pregnancy is
280days
40weeks
What are the weeks for
- 1st trimester
- 2nd
- 3rd
- 1w to 13w+6d
- 14w to 28+6d
- > 29
Urine dipstick is done routinly in ANC to detect
- protein
- glucose
What are the indicators of gestational age:
Most accurate is US up to 13+6\7d
- fetal heart rate (10-12w)
- fetal movement (20w)
- Fundal height
If fundal height is at the level of
- umbilicus:
- symphysis pubis:
- xiphoid process:
What is the probable gestation age?
- 20wks
- 12wks
- 38 which is higher than 40 due to engagement.
Measurement of fundal height should be done:
Each visit
Physiological oversized uterus
- wrong dates
- twins
Pregnancy during period of amenorrhea (lactation\contraception) can cause:
(Small - large uterus)
Small
When to give women of Rh incompatibility (Anti-D) injection?
- Week 28
- 24hrs-72 post-delivery.
Anti-D given regardless of weeks is only in cases of:
- abortion
- miscarriage
- amniocentesis
- secretions
- trauma
What are the test to preform in the first visits:
- Ultrasound
- UA\UC
- Blood test: [CBC, blood type, RH, Ab coomb’s, FBG, sickle cell, titers (rubella\hep\syphlis) ]
Detection of asymptomatic bacteriurea should be at weeks …. to ……
12-16 weeks.
What are the infections that we screen for in the first visit
1- rubella & vericella 2- syphlis 3- HIV 4- chlymedia\gonorrhea 5- hepatitis b
What is the recommended dose of folic acid?
400 mcg
In which trimester should one start iron therapy
- iron deficiency: 1st
- normal: 2nd
When is the peak of nausea and vomitting
7-8 weeks.
Medications used to reduce N&V
(B6 - B12 - B1)?
B6
Known as Navidoxine (B6 + antihistamine)
In case of patient was at high risk of pre-eclampsia, she should start which medications?
Asprin
How to reduce the following symptoms in pregnancy
- heartburn
- constipation
- hemorrhoid
- Varicose
- meal spacing
- increase water &fiber intake (don’t give normacol)
- decrease constipation
- wear compression socks
What are the risk factors for pre-eclampsia?
- Old >40
- Obese
- prev\family hx of pre-eclampsia
- nuliparity - multiples - 10yr interval
- renal disease - HTN
How to screen pregnant patients for pre-eclampsia? “Method of screening”
- BP monitoring
- Urinanlysis for protein
At each routine visit
How to treat women with pre-eclampsia
- Anti-hypertension medications
- Magnesium sulfate
- fetal monitoring
What is the prophylactic measures recommended by USPSF?
Low dose asprin 81mg\d given at 12weeks.
Duration of prophylaxis therapy for pre-eclampsia?
12-28 weeks
Optimally before 16
[continued until delivery]
Why prophylaxis therapy for pre-eclampsia (low dose aspirin) is not recommended in the first month of pregnancy?
Because of high risk for bleeding and abortion
When to call the presence of diabetes during pregnancy
- gestational diabetes
& when to call it
- DM2
- Gestational: after 20 weeks.
- DM2: before 20 weeks
Screening for GD should be
- all patients: 24-28wks
- high risk: early in pregnancy
Which test is usually used in most patients for GD:
1step or 2step
1 step.
What are the values of the 1 step OGTT test, that if “one of them” is exceeded the patient is diagnosed w\ gestational diabetes:
1- give 75g of oral glucose 2- measure the following - FBG: 92 (5.1) - 1hr: 180 (10) - 2hr: 153 (8.5)
In which group of population is a 2step OGTT used?
In high risk (obese, previous GDM, DM)
When to preform Group B-strep test during pregnancy?
35-37weeks.
If B-Strep was positive during week 35-37 and patient is asymptomatic, what’s your next step
IV ampicillin during delivery.
What type of swab is taken for B-strep diagnosis?
Low Vaginal swab
What are the 3 tests done to identify Down’s syndrome in first trimester?
1- NT by US
( 10+4\7 to 13+6\7) “best at 12-13”
2- PAPPA protein
3- Free B-hcg
Weighed by maternal age
What are the 4 tests done to identify Down’s syndrome in 2nd trimester?
- [low] Serum alpha-fetoprotein
- [low] Estriol
- [high] B-HCG
- [high] inhibin A
What is NT
Fluid collection in the back of the neck
NT can identify
1- Down syndrome
2- Cardiac defect
3- diaphragm hernia
4- abdominal wall defect
Sensivity of First trimester tests in detecting down’s syndrome is:
82-87%
Sensivity of second trimester triple tests in detecting down’s syndrome is:
70%
Sensivity of First trimester quadruple tests in detecting down’s syndrome is:
81%
aminocentensis is preformed at ….. wks.
15-20wks
Chorionic villus sampling is preformed at ….. wks.
10 wks
Which test is higher at fetal loss
Amniocentesis or CVS
CVS
Post-term pregnancy is considered after
40 weeks
Air travel safety in pregnancy
4 weeks before due date.