Thema
Journal Article
41.580
Contraceptive Agents, Female
10.892
610
9.127
Study Type: Interventional
8.330
Family Planning
7.096
Research Support, Non-U.S. Gov't
7.016
Female
6.000
Contraception
5.797
Biology
4.933
Physiology
4.774
Research Methodology
4.592
Review
4.205
Recruitment Status: Not yet recruiting
3.587
Estrogens
3.558
female
3.341
Contraceptive Agents
3.207
Fertility Agents, Female
3.141
Diseases
3.085
Population
2.926
Females
2.832
Demographic Factors
2.744
Studies
2.707
Genitalia
2.696
Urogenital System
2.691
Genitalia, Female
2.624
Developed Countries
2.600
Comparative Study
2.499
Levonorgestrel
2.305
Age Factors
2.271
Recruitment Status: Completed
2.268
Reproduction
2.247
Population Characteristics
2.200
Developing Countries
2.178
Clinical Research
2.176
Contraceptives, Oral
2.173
5W7SIA7YZW
2.154
Hormones
2.096
Contraceptive Methods
2.005
Endocrine System
1.968
Medicine
1.907
Behavior
1.805
English Abstract
1.801
Uterus
1.794
Estradiol
1.761
Progesterone
1.751
Americas
1.741
Case Reports
1.713
Population Dynamics
1.712
R
1.711
Randomized Controlled Trial
1.695
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