OBG Summary Tables

OBG Summary Tables

Contraindications (C/I) to Breastfeeding

Type
Condition
Absolute
Galactosemia
Relative
Anticancer drugs/chemotherapy
Illicit drug user
Infections
Active TB infection
Brucellosis
HSV
Ebola virus
HTLV I, II
Varicella zoster infection
(Within 5 days prior to delivery & 2 days after delivery)

High Risk Pregnancy (Govt of India)

  • Previous history of LSCS.
  • Bad obstetric history.
  • History of systemic illness.
  • Age: >35 years.
  • PIH.
  • Malpresentation.
  • Low lying placenta.
  • Severe anemia.
  • Rh -ve pregnancy.
  • Gestational Diabetes.
  • Hypothyroid.
  • HIV +ve/syphilis.

Radiological Signs of Intrauterine Death

Sign
Characteristic
Robert sign (1st sign)
Presence of gas in great vessels
Spalding sign
Overlapping of cranial bones of fetus
Ball sign
Hyperflexion/Hyperextension of spine
Deuel's halo sign
Increased pericranial fat

Time of Termination of Pregnancy (TOP)

Condition
Time of TOP (Weeks)
Mild pre-eclampsia
37
Severe pre-eclampsia
34
Impending eclampsia/eclampsia
Immediate TOP after 1st dose of steroid
HELLP syndrome
Immediate TOP after 1st dose of steroid
PIH with fetal distress/abruption
Immediate TOP after 1st dose of steroid
Umbilical artery doppler: s/d ratio >3
37
Absent diastolic flow
33-34
Reversed diastolic flow
31-32
IUGR → Doppler s/d ratio <3:
Weight: 3-9 percentile
39
Weight: <3 percentile
37
IUGR → s/d ratio >3
37
Increased s/d ratio + IUGR + oligohydramnios
34
Diabetes: Type A1 or A2 (Well controlled)
39
Diabetes: Type A2 (Not well controlled)
37
Overt diabetes: No complication
39
Overt diabetes + vasculopathy
37
MCMA twins /conjoint twins
32-34 by caesarean section
MCDA twins
34-37
DCDA twins
38
Cholestasis in pregnancy
37-38
AFLP
Immediate TOP

Important Drug Dosages

Drug
Indication
Dose
Schedule
Misoprostol
T1 medical abortion
800 mcg P/V
• To be given on D3;
• On D1: 200 mg mifepristone
T2 abortion
200-800 mcg P/V
• WHO: 400 mcg every 3 hourly;
• Max: 4 doses
AMTSL
600 mcg oral
CAN: 400-600 mcg
PPH
800 mcg S/L or oral
ACOG: 600-1000 mcg S/L, oral or P/R
Induction of labour
25 mcg
Repeat every 4th hourly (max: 6 doses)
Carbetocin
AMTSL
100 mcg slow IV
-
Carboprost
PPH
250 mcg
• Repeat in 15-90 minutes;
• max: 8 times -> 2 mg
Dinoprostone
Induction of labour
0.5 mg
• Repeated 6 hourly;
• max: 4 times