Medicine & Life Sciences
Pregnancy
100%
Mothers
62%
Contraceptive Agents
48%
Contraception
43%
Sheep
36%
Fetus
35%
Ovarian Neoplasms
33%
Advisory Committees
32%
Parturition
31%
Obstetrics
28%
Confidence Intervals
27%
Cost-Benefit Analysis
27%
Gestational Age
27%
Postpartum Period
25%
Pre-Eclampsia
25%
Ovarian Epithelial Carcinoma
24%
Odds Ratio
23%
Costs and Cost Analysis
22%
Primates
22%
Gestational Diabetes
22%
Placenta
21%
Oral Contraceptives
21%
Pregnancy Outcome
20%
Oocytes
20%
Premature Birth
20%
First Pregnancy Trimester
20%
Systematic Reviews
19%
Amniotic Fluid
18%
Induced Labor
18%
Obesity
18%
Randomized Controlled Trials
18%
Cohort Studies
17%
Levonorgestrel
17%
Morbidity
17%
Pregnant Women
17%
Safety
15%
Hemorrhage
15%
Maternal Obesity
15%
Quality-Adjusted Life Years
15%
Therapeutics
15%
Population
14%
Body Mass Index
14%
Hormonal Contraception
14%
Intrauterine Devices
14%
Mexico
13%
Medicaid
13%
Hormones
13%
Macaca mulatta
13%
Watchful Waiting
13%
Stillbirth
13%
Prenatal Care
13%
Newborn Infant
13%
Health
12%
Retrospective Studies
12%
Pain
12%
Vaginal Birth after Cesarean
11%
Hemodynamics
11%
Amnion
11%
Urinary Incontinence
11%
Counseling
11%
Postpartum Hemorrhage
11%
Placebos
11%
Neoplasms
11%
Serum
11%
Logistic Models
11%
Hypoxia
11%
Assisted Reproductive Techniques
11%
Guidelines
10%
Vulvodynia
10%
Menorrhagia
10%
Fertilization in Vitro
10%
Fetal Death
10%
Gestational Weight Gain
10%
Vascular Endothelial Growth Factor A
10%
Premature Obstetric Labor
10%
Estrogens
10%
Tubal Sterilization
10%
Pelvic Floor
9%
Cesarean Section
9%
Umbilical Arteries
9%
Emergency Medical Services
9%
Delivery of Health Care
9%
Endometriosis
9%
estradiol valerate-dienogest
9%
Misoprostol
9%
Dilatation
9%
Physicians
9%
Child
9%
Genes
9%
Fetal Development
9%
Extraembryonic Membranes
9%
Infertility
9%
Alaska Natives
9%
Second Pregnancy Trimester
9%
Trophoblasts
9%
Progestins
9%
Proteins
9%
Weights and Measures
8%
Calcium-Activated Potassium Channels
8%
Menstrual Cycle
8%