Thema
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Europe
153
United States
153
Meta-analysis
150
Laboratory Examinations And Diagnoses
149
Nutrition
146
Type 2 diabetes
145
Fertility
141
Risk Factors
141
Contraceptives, Oral
140
Youth
139
Risk factors
138
risk factors
136
Meta-Analysis
130
Research Support, U.S. Gov't, P.H.S.
130
epidemiology
130
Cancer
127
Viral Diseases
127
Contraceptive Agents, Female
125
Endocrine System
124
Breast cancer
117
Hormones
117
Comparative Studies
115
Surgery
115
Clinical Research
113
English Speaking Africa
112
Humans
112
Contraceptive Usage
111
Depression
106
Delivery Of Health Care
105
India
105
Diet
104
Female
104
Child
103
Quality of life
103
Body Weight
102
Contraceptive Agents
102
Contraceptive Methods--side effects
102
Eastern Africa
102
Southern Asia
102
Fertility Measurements
100
Male
99
Parity
99
Urogenital System
97
Oral Contraceptives
96
Adult
95
Fertility Control, Postconception
95
Research Support, U.S. Gov't, Non-P.H.S.
95
Economic Factors
92
Genitalia
92
English Abstract
91
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