Growth and maturation

  • Fetal growth, gestation, and birth (Maternal health clinic registers of municipalities of Finland,  birth register of Kuopio University Hospital, and Medical Birth Register of National Institute for Health and Welfare of Finland) 
  • Early childhood growth (Pediatric health clinic registers of municipalities of Finland,  general health register of Kuopio University Hospital, and Care Register for Health Care of National Institute for Health and Welfare)
  • Late childhood growth (general and pediatric health clinic registers and school healthcare registers of municipalities of Finland)
  • Feeding practices, the use of a pacifier, and motor and language development in early childhood (questionnaire for parents)
  • Sexual maturation (Tanner stages, clinical signs of androgen action and sexual maturation evaluated by research physician, and questionnaire on pubertal signs, menarche, menstruation, premenstrual symptoms, sexual behavior, and contraceptive use for adolescents)