OB Flashcards
Hormone that helps in remodeling the reproductive tract to accommodate the enlarging uterus
Relaxin
Source of relaxin
Corpus luteum
Deciduas
placenta
The corpus luteum functions maximally during how many weeks in pregnancy?
First 6-7 Weeks of pregnancy
Hormone for maintenance of pregnancy
Progesterone
Except for FOLATE what vitamin deficiency may contribute to the development of Neural tube defects?
Vitamin B12
Vitamin A is teratogenic at what level?
> 10,000 IU per day
Vaccines that are contraindicated in pregnancy
MMR+V
Measles
Mumps
Rubella
Varicella
Gray baby syndrome =
Chloramphenicol (not teratogenic)
Patent presented with a HYPOPLASTIC HEART SYNDROME, MICROPTHALMIA, CLEFTS AND ASD. What could have been the teratogenic exposure?
Nitrofurantoin
Patient was given TETRACYCLINE on the 26th week AOG, what will this do to the neonate?
If given more than 25th week then baby will have a yellowish brown discoloration of deciduous teeth
Patient was given an unrecalled drug in her 1ST TRIMESTER. After delivery, the baby had anencephaly, choanal atresia and diaphragmatic hernia. What could be the drug?
Sulfonamides
Ebstein anomaly developed from what intake of this drug in pregnancy?
LITHIUM
Most common sex chromosome abnormality
Klinefelter syndrome
47,XXY
Monosomy compatible with life
Turners syndrome 45 XO
There is microdeletion causing cat like cry
Cri du chat
Test for uteroplacental contraction
Contraction stress test
A satisfactory contraction stress test will have?
3 or more contractions that lasts 40 seconds or more in a 10 minute period
Normal FHT
110-160
Variable deceleration criteria
Varied decelerations that have:
FHR decrease from baseline of =/> 15bpm
That lasts for =/> 15 seconds but last for less than 2 min duration
Variable deceleration indicates?
Cord compression
Scoring used to assess cervical favorability
BISHOP SCORE
If more than 9 - successful induction
Less than 5 - unfavorable
Criteria for dx of labor
- UC 1 in 10min; 4 in 20 mins
- Documented progressive changes in cervical dilatation and effacement
- Cervical effacement of >70-80%
- Cervical dilatation >3 cm or 4cm
*uterine contractions without cervical changes DOES NOT MEET THE DEFINITION OF LABOR
When do you diagnosed a prolonged latent phase?
0-3 cm
More than 20h in nullipara
More than 14h in multipara
*intervention =bedrest
Factors affecting latent phase duration
FEU
False labor
Excessive sedation or epidural anesthesia
Unfavorable cervical condition
Management in protraction disorder
Expectant and support
Pre requisite for operative vaginal delivery
Fully dilated
Cephalic engagement
Prolonged second stage means?
More than 1 hour in multi and more than 2 hours in nullipara
What are the stages of labor?
First - strong UC to 10cm dilatation
2nd - 10 cm to delivery
3rd - up to placental delivery
Outlet forceps criteria
Scalp - visible at introitus without separating labia Fetal skull - at the pelvic floor Sagittal suture is at AP DIAMETER Fetal head is at or on perineum Rotation does not exceed 45 degrees