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measure Tanner Scale
Study: Generation R Mode of collection: SelfAdministeredQuestionnaire Available measurements: Main Cohort 13-14 yearsThe Tanner Scale describes, both pictorially and descriptively, the external changes that occur in the time period between the onset of puberty and the achievement of full maturity for both girls and boys. Characterizations of pubertal status are assessed by breast development in girls, genital development in boys and pubic hair growth in both. The Tanner...Created May 3, 2023 • Updated May 3, 2023 -
measure Pubertal Development Scale (PDS)
Study: Generation R Mode of collection: SelfAdministeredQuestionnaire Available measurements: Main Cohort Covid questionnairesThe Pubertal Development Scale (PDS) was developed to assess the development of secondary sexual characteristics, such as growth spurts, body hair growth, skin changes, breast development and menarche in girls, and voice changes and growth of testes in boys.Created May 3, 2023 • Updated May 3, 2023 -
measure Hair sample
Study: Generation R Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Main Cohort 5-6 years 9-10 years 13-14 yearsA hair sample was obtained at age 6 to quantify several sex steroids, including cortisol, cortisone, 17OHP, androstenedione, testosterone and DHEAS. 3cm samples were taken from 100-200 hairs close to the scalp.Created May 3, 2023 • Updated May 3, 2023 -
measure Contraception Use
Study: NTR Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_1 YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YC_BS3 YE_FITNSS YE_COG18 YS_TRIP1 YS_TRIP1_2Questions about contraception useCreated March 28, 2023 • Updated April 4, 2023