Thema
Journal Article
61
Review
17
Meta-Analysis
15
Systematic Review
13
Comment
9
Randomized Controlled Trial
9
Case Reports
8
Multicenter Study
8
preterm birth
8
Research Support, N.I.H., Extramural
6
cervical length
6
transvaginal ultrasound
6
4G7DS2Q64Y
5
Comparative Study
5
Progesterone
5
prematurity
5
ultrasound
5
Letter
4
Pregnancy
4
9842X06Q6M
3
Betamethasone
3
Clinical trials
3
Glucocorticoids
3
Research Support, Non-U.S. Gov't
3
pessary
3
randomized controlled trial
3
short cervix
3
twins
3
17 alpha-Hydroxyprogesterone Caproate
2
276F2O42F5
2
Caesarean
2
Cervical length
2
Cervix
2
Childbirth & labor
2
Hydroxyprogesterones
2
Meta-analysis
2
Premature birth
2
Progestins
2
Quality
2
Randomization
2
Twins
2
Ultrasonic imaging
2
birth weight
2
cerclage
2
expectant management
2
induction
2
intensive care
2
intrauterine growth restriction
2
isthmocele
2
labour
2
mehr ...