Journal of Clinical Medicine Research, ISSN 1918-3003 print, 1918-3011 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Clin Med Res and Elmer Press Inc
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Letter to the Editor

Volume 10, Number 4, April 2018, pages 363-364

Clinical Significance of Pregnancy in Japanese Women Aged 15 Years


Table 1. Clinical Characteristics and Obstetric Outcomes in Japanese Women Aged 15 Years With and Without Prenatal Care
Prenatal careTotal number%Yes number%None number%
Data are presented as number or percentage. *P < 0.05.
Start of prenatal care
  First trimester13231327--
  Second trimester17301735--
  Third trimester19341939--
  No prenatal care713--7100
History of previous pregnancy121200
History of smoking17301531229
Insulated state with parents916247100*
Economic problems13236127100*
Unknown pregnant partner19341327686*
Chlamydia trachomatis antigen-positive17301531229
Condyloma acuminatum71371400
Mental disorders121200
Hypertensive disorders121200
Glucose intolerance000000
Placental abruption000000
Preterm delivery121200
Spontaneous delivery498842867100
Vacuumextraction/forceps delivery71371400
Breech delivery000000
Planned cesarean delivery000000
Emergent cesarean delivery000000
Low birth weight infant000000
Neonatal asphyxia242400
Perinatal death121200
Postpartum hemorrhage ≥ 1,000 mL474800