Childlessness in Helsinki.
Childlessness in Finland is analyzed using data collected by questionnaire from 4,730 women living in Helsinki who participated in a cervical cancer screening program in 1981-1982.  "About half (48%) of the women aged 30 had no children.  In the age group of 35 years, 28% were nulliparous as were 24% of the women aged 40."
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D000367:Age Factors; D001723:Birth Rate; D003710:Demography; D019049:Developed Countries; D005060:Europe; D005193:Family Planning Services; D005298:Fertility; D005387:Finland; D007246:Infertility; D010298:Parity; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D012098:Reproduction; D012537:Scandinavian and Nordic Countries; D012725:Sexual Behavior
Age Factors; Demographic Factors; Developed Countries; Europe; Fertility; Fertility Measurements; Finland; Infertility; Northern Europe; Nulliparity; Parity; Population; Population Characteristics; Population Dynamics; Reproduction; Reproductive Behavior; Scandinavia; Voluntary Childlessness