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Table 4 Fertility related questions. Selected variables from women’s lifestyle questionnaires. Absolute numbers given within brackets (except for “Age at menarche” which is interquartile range)

From: Women born with very low birth weight have similar menstrual cycle pattern, pregnancy rates and hormone profiles compared with women born at term

  VLBW Controls p-value
Age at menarche (years)a 13.5 (2.25) 12.0 (1.25) 0.016
Regular menstrual cycle, % (n) 45.8 (11) 52.9 (9) 0.492
Hormonal contraceptives, % (n) 54.2 (13) 48.0 (12) 0.669
Good health, % (n) 91.7 (22) 87.5 (21) 0.640
Couple relationship, % (n) 70.8 (17) 76.0 (19) 0.685
Pregnancies, % (n) 64.7 (11) 65.0 (13) 0.985
  1. aData expressed as median (interquartile range)