• measure Lifetime pregnancy history

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  4 years 5-6 years
     
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    Lifetime pregnancy history includes questions about mothers' pregnancies (including possible miscarriages or abortions) during the entire lifetime, assessing the frequency of pregnancies, the course of the pregnancy, pregnancy complications and birth outcomes.
    Created June 5, 2024 • Updated September 19, 2024

  • measure Pregnancy and Birth

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Early Childhood Cohort  ECC - T1

    Middle Childhood Cohort  MCC - T1
     
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    The Pregnancy and Birth questionnaire is a self-developed questionnaire that consists of 13 items about the start of the pregnancy, the pregnancy course (e.g. presence of complications, smoking behavior), and the birth of the twins (e.g., method, date, complications).
    Created June 5, 2024 • Updated June 20, 2024

  • measure Pregnancy Problems

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YC_DSC YC_ADHMRI YS_TRIP age 1-2
     
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    Problems during the pregnancy were assessed, such as eclampsia, iron deficiency, or twin-to-twin transfusion syndrome (TTTS).
    Created June 5, 2024 • Updated June 20, 2024

  • measure Pregnancy Duration and Birth

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YC_DSC YC_ADHMRI YE_COG18 YS_TRIP age 1 YS_TRIP age 1-2
     
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    Pregnancy Duration and Birth assesses the duration of the pregnancy from conception to birth, and the labor process, e.g., were the children born on time, prematurely or late; time between birth of the children; manner of birth (e.g., vaginal, cesarean), position of the children in the uterus before birth; and the course of the delivery.
    Created June 5, 2024 • Updated June 20, 2024

  • measure Supplement use

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YC_ACTION BB2 YC_ACTION - BB3 YE_COG18 YS_TRIP age 1 YS_TRIP age 1-2
     
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    Nutritional supplement use was assessed in mothers during pregnancy, and vitamin supplementation use was assessed for children, including formation regarding type, frequency, and duration of vitamin supplementation.
    Created June 5, 2024 • Updated June 20, 2024

  • measure Diet during pregnancy

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_TRIP age 1-2
     
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    Diet during pregnancy asks mothers whether they have eaten eggs, dairy products, soy products, fish, and meat during their pregnancy, and whether they followed a vegetarian diet during pregnancy.
    Created June 5, 2024 • Updated June 20, 2024

  • measure Pregnancies & miscarriages

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YE_COG18 YS_TRIP age 1 YS_TRIP age 1-2
     
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    Pregnancies and Miscarriages contains questions about getting pregnant, including the use of hormone preparations or assisted reproductive technologies, and miscarriages.
    Created June 5, 2024 • Updated June 20, 2024

  • measure Birth

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YC_DSC YE_ATTEF2 YC_ADHMRI YE_COG18 YS_TRIP age 1 YS_TRIP age 1-2
     
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    Birth assesses information on pregnancy duration, placenta and chorionicity, mode of delivery, complications around the delivery, and incubator time.
    Created June 5, 2024 • Updated June 20, 2024

  • measure Stressful life events during pregnancy

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_TRIP age 1-2
     
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    Stressful life events or stressful periods during pregnancy were reported by participants.
    Created June 5, 2024 • Updated June 20, 2024

  • measure Periconceptual health

    Study:YOUth
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Baby and Child  20 weeks

    Child and Adolescent  9 years
     
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    Periconceptual health was assessed by a questionnaire filled out by the biological mother of the child (unless the non-biological mother had the requested information). The questionnaire asks about (previous) pregnancies, the number of live births (and information about this), the child's birth weight, whether the child's pregnancy was planned, possible...
    Created June 5, 2024 • Updated June 20, 2024

  • measure Lifestyle

    Study:YOUth
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Baby and Child  20 weeks 30 weeks 5 months 10 months 3 years 6 years

    Child and Adolescent  9 years 12 years
     
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    Lifestyle was assessed concerning vitamins, medication, exposure during pregnancy, alcohol, smoking, substance (ab)use, physical activity, and sleep (Pittsburgh Sleep Quality Index).
    Created June 5, 2024 • Updated June 20, 2024
You can also access this registry using the API (see API Docs).