Keyphrases
Week of Gestation
100%
Cervical Shortening
100%
Vaginal Progesterone
100%
Double-blind Randomized Trial
100%
Preterm Birth
80%
Cervical Length
80%
Placebo Groups
60%
Preterm Birth Rate
60%
Progesterone
40%
High-risk Women
40%
Pregnant Women
20%
Japan
20%
No Significant Difference
20%
University Hospital
20%
Low Dose Rate
20%
High Risk
20%
Singleton Pregnancy
20%
Late Preterm Birth
20%
Medical Information
20%
Information Networks
20%
Randomized Placebo-controlled Trial
20%
Treatment Indication
20%
Shortening Rate
20%
Substantial Reduction
20%
Midtrimester
20%
Sonographic Cervical Length
20%
Number of Participants
20%
Low-risk Population
20%
Progesterone Treatment
20%
Medicine and Dentistry
Premature Labor
100%
Progesterone
100%
Pregnancy
62%
Birth Rate
62%
Cervical Length Measurement
62%
Placebo
50%
Arm
12%
Low Risk Population
12%
Treatment Indication
12%
Pharmacology, Toxicology and Pharmaceutical Science
Premature Labor
100%
Progesterone
100%
Placebo
50%
Immunology and Microbiology
Pregnancy
100%
Birth Rate
100%
Arm
20%
Low Risk Population
20%
Biochemistry, Genetics and Molecular Biology
Progesterone
100%
Pregnancy
62%
Birth Rate
62%
Low Risk Population
12%