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measure Zygosity (questionnaire)
Study: Netherlands Twin Register Mode of collection: SelfAdministeredQuestionnaire Available measurements: Young Netherlands Twin Register YS_3 YS_5 YS_7 YS_10 YS_12 YS_DHBQ14 YS_DHBQ16 YC_DSC YC_ADHMRI YS_TRIP age 1 YS_TRIP age 1-2 YS_TRIP age 3 YS_TRIP age 4 YS_TRIP age 5 YS_TRIP age 7 YS_TRIP age 10 YS_TRIP age 12The Zygosity questionnaire asks parents of twin pairs about the resemblance between the twins to determine whether the twin pair is mono- or dizygotic. This questionnaire consists of 10 questions: 6 items about physical similarities between the twin and 4 items about confusion in identifying the twins by parents and others.Created October 17, 2024 • Updated October 20, 2024 -
measure Blood sample
Study: Generation R Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Generation R Early pregnancy Mid pregnancy Birth 6 months 1 year 1.5 years 2 years 3 years 5-6 years 8 years 9-10 years 13-14 years 17-18 yearsA blood sample consists of taking an amount of a person's blood from their body.Created October 17, 2024 • Updated October 20, 2024 -
measure Saliva sample - Cortisol
Study: Generation R Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Generation R 1 yearSaliva was collected using a cotton swab or a collection device, such as a tube or container (passive drool).Created October 17, 2024 • Updated October 20, 2024 -
measure Buccal swab
Study: YOUth Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Baby and Child 20 weeks 5 months 10 months 3 years 6 years
Child and Adolescent 9 years 12 yearsBuccal swabs are collections of buccal cell scrapings obtained by rubbing buds along the inside of the mouth.Created October 17, 2024 • Updated October 20, 2024