Keyphrases
Prospective Cohort Study
100%
Live Birth
100%
Pregnancy Loss
100%
Serum 25-hydroxyvitamin D
100%
Week of Gestation
50%
Fecundability
50%
Risk Ratio
50%
25-hydroxyvitamin D (25OHD)
50%
Odds Ratio
33%
Clinical Pregnancy
33%
Time to Pregnancy
33%
Vitamin D Status
33%
25-Hydroxyvitamin D Concentration
33%
Cox Proportional Hazards Model
16%
Placebo-controlled
16%
Menstrual Cycle
16%
Discrete-time
16%
Risk Reduction
16%
During Pregnancy
16%
Previous Pregnancy
16%
Pregnancy Outcome
16%
Adverse Pregnancy Outcomes
16%
High-risk Pregnancy
16%
Vitamin D
16%
Risk-adjusted
16%
Early Pregnancy
16%
Randomized Double-blind
16%
Fecundity
16%
Log-binomial Regression
16%
Vitamin D Deficiency
16%
National Institutes of Health
16%
David Duke
16%
Charitable Foundations
16%
Clinical Site
16%
Biochemistry, Genetics and Molecular Biology
Prospective Cohort Study
100%
Vitamin D
100%
Time to Pregnancy
66%
First Trimester Pregnancy
33%
Conception
33%
Hypovitaminosis D
33%
Menstrual Cycle
33%
Medicine and Dentistry
Prospective Cohort Study
100%
25 Hydroxyvitamin D
100%
Vitamin D
42%
Time to Pregnancy
28%
Odds Ratio
28%
Proportional Hazards Model
14%
Menstrual Cycle
14%
Placebo
14%
Conception
14%
First Trimester Pregnancy
14%
Vitamin D Deficiency
14%
Hypovitaminosis D
14%
Pharmacology, Toxicology and Pharmaceutical Science
Prospective Cohort Study
100%
25 Hydroxyvitamin D
100%
Vitamin D
42%
Placebo
14%
Hypovitaminosis D
14%
Vitamin D Deficiency
14%