Normal Pregnancy & Labour Flashcards
Naegele’s Rule
Date of confinement= LMP-3months + 7 days
GTPAL
- Pregnancies
- Term births
- Preterm
- Abortions
- Live births
Four important history questions?
- Bleeding
- Leaking
- Contractions
- Fetal movements
Trisomy 21 screening findings
- Increased nuchal translucency
- Increased B-HCG
- Decreased PAPP-A
If a low PAPP-A on 1st trimester screen, do?
Uterine artery doppler @ 22 weeks
Fundal height at: 12 weeks? 16 weeks? 20 weeks? Beyond 21 weeks?
12 weeks= symphysis
16 weeks=halfway to umbilicus
20 weeks=at umbilicus
Beyond 21 weeks=# of weeks +/- 2cm
Treatment if mom is GBS positive?
IV abx during labour
- Pen G (5 million U then 2.5 million q 4 h)
- 2nd line= ancef/clindamycin
Normal length of stages of labour?
- Latent: 14 h multi, 20h primi
- Active: 1.2 cm/h primi, 1.5 cm/h multi
- Second stage: 1 h multi, 2 h primi ( add 1 h for epidural)
- Third stage: 30 min.
3 P’s of labour progress?
- Power: contractions and pushing
- Passenger: size and position of baby
- Pelvis
Can correct power but not passenger or pelvis
What are the cardinal movements of the fetal vertex?
- Engagement: Head should lower to level of ischial spines
- Descent
- Flexion
- Internal rotation to occiput anterior position
- Extension
- External Rotation
What are the three signs of placental separation?
- Gush of blood
- Lengthening of cord
- Rise of fundus (support so it does not invert)
What are the types of malpresentation?
- Breech (complete, frank, footing)
- Face
- Brow
- Shoulder
- Compound
What are the parts of a fetal NST?
- Baseline (110-160)
- Variability: 5-25 bpm
- Accelerations 15x15
- Decelerations
- Overal impression (atypical, abnormal, normal)
Variable Decelerations
Cord compression, hypoxia
Early Decelerations
Normal, due to head compression