Thema
Journal Article
3.342
PREGNANCY
888
PREGNANCY/complications
451
pregnancy
418
Research Support, Non-U.S. Gov't
376
Pregnancy
250
Reproduction
249
Research Methodology
234
Biology
206
Physiology
195
Research Support, N.I.H., Extramural
181
Family Planning
171
Review
165
INFANT, NEWBORN
155
PREGNANCY COMPLICATIONS
151
Diseases
149
Population
122
Demographic Factors
120
Comparative Study
116
Studies
116
Pregnancy Proteins
115
preeclampsia
113
Endocrine System
111
Population Dynamics
101
Pregnancy Complications
100
Developed Countries
99
Fertility Control, Postconception
94
Abortion, Induced
91
144589-93-5
88
Placenta Growth Factor
88
preterm birth
87
Case Reports
85
Americas
83
Clinical Research
82
PREGNANCY, ECTOPIC
82
Biomarkers
81
PLACENTA
80
North America
79
PREGNANCY/physiology
79
UTERUS
79
Age Factors
76
Examinations And Diagnoses
76
Northern America
75
United States
75
FETAL DEATH
71
PREGNANCY TOXEMIAS
71
Oxytocin
70
PHARMACOLOGY
70
Hormones
67
50-56-6
66
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