Preterm Labor

Question 1

Normal Term delivery weeks

Answer 1

37-42 weeks

Question 2

Preterm labor seen if less than how many weeks

Answer 2

Less than 37 weeks

Question 3

Late preterm labor termed if delivery in

Answer 3

34-36 weeks (+6days)

Question 4

Usual preterm labor seen in week

Answer 4

32-34 weeks

Question 5

Early preterm labor week

Answer 5

Less than 32 weeks

Question 6

Post term delivery

Answer 6

If More than 42 weeks

Question 7

Post term delivery

Answer 7

If More than 42 weeks

Question 8

Preterm labor is present if contractions per hours is

Answer 8

4 times/20 min. Or >8 times in 1 hour

Question 9

In preterm labor, On pervaginal exam cervix is

Answer 9

> 1cm dilated or >80% effaced

Question 10

Definitive diagnosis of preterm labor if cervix is

Answer 10

<3cm dilated or <80% effaced - Early preterm labor

Question 11

Incidence of Preterm labor in percentage

Answer 11

10% (6-15%)

Question 12

Most common cause of Preterm labor

Answer 12

Infections - UTI Or PID

Question 13

Causative organisms in Infections responsible for Preterm labor

Answer 13

Chlamydia
Gonorrhea
Mycoplasma
Bacteroides
Streptococci
B. Vaginosis

Question 14

Diagnosis of Chorioamnionitis confirmed if

Answer 14

Increase in Leukocytes count (15000)
Increased pulse rate
Foul smelling vaginal discharge
CRP >2.7mg/dL
If >2 points positive - Diagnosis of infection

Question 15

Other causes of Preterm labor than infection

Answer 15

1) Anomalies - Uterine anomalies -Septate, Bicornate uterus, Unicornate uterus
Cervical - lacerated cervix , Short cervix
2) Maternal fetal stress
3) Choriodecidual space bleeding
4) Uterine overdistension - Polyhydroamnios, Large baby, Multiple (Twins, Triplets)

Question 16

Prediction of Preterm Labor by USG can be done in which weeks

Answer 16

1) 12-13 weeks
If <2.5cm Cervical length - incompetent os
2) 29 week onwards - Funneling of cervix

Question 17

Prediction of Preterm Labor by USG can be done in which weeks

Answer 17

1) 12-13 weeks
If <2.5cm Cervical length - incompetent os
2) 29 week onwards - Funneling of cervix

Question 18

Fetal fibronectin can be seen normally in which weeks

Answer 18

Before 22 weeks and
After 37 weeks

Question 19

Fetal fibronectin seen abnormally in which weeks

Answer 19

In between 22 weeks nd 37 weeks.

Question 20

Fetal fibronectin seen in between 22 and 37 weeks predicts how much chances of Preterm labor

Answer 20

30% chances increase in PTL in 1 week
40% PTL in 2 weeks

Question 21

Neonatal problems seen in Preterm labor

Answer 21

Respiratory distress syndrome
Bronchopulmonary dysplasia
Necrotising enterocolitis
Intraventricular hemorrhage
Neonatal death

Question 22

Maternal problems seen in Preterm labor

Answer 22

PID (Endometritis)
Puerperal sepsis

Question 23

Maternal problems seen in Preterm labor

Answer 23

PID (Endometritis)
Puerperal sepsis

Question 24

Management given in Case of Preterm labor

Answer 24

Steroids given to mother - Fetus
Dexamethasone
Betamethasone

Question 25

Steroids helps in Preterm labor

Answer 25

Increases fatty acid synthesis - Fetal lung maturation

Question 26

Dose of Steroids given in case of Preterm labor

Answer 26

Dexamethasone 6mg 12 hourly 4 doses
Betamethasone 12 mg 24 hourly 2 doses
Total - 24mg

Question 27

Dose of Steroids given in case of Preterm labor

Answer 27

Dexamethasone 6mg 12 hourly 4 doses
Betamethasone 12 mg 24 hourly 2 doses
Total - 24mg

Question 28

Fetal lung maturation done in Neonates through

Answer 28

Artificial surfactants - Axosurf, Survanta, ALEC