[Obstetrics risks during adolescent pregnancy].
Tsvetkov
K
K
Ivanov
St
S
Monastirska
M
M
Angelova
M
M
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D005260:Female; D006801:Humans; D007744:Obstetric Labor Complications / Q000453:epidemiology*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D012307:Risk Factors; D055815:Young Adult