• 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
     
    0
    5
    10
    15
    20
    25
    30
    years
    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 October 17, 2024 • Updated October 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
     
    0
    5
    10
    15
    20
    25
    30
    years
    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 October 17, 2024 • Updated October 20, 2024

  • measure Contraception Use

    Study:Netherlands Twin Register
    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_TRIP age 1 YS_TRIP age 1-2
     
    0
    5
    10
    15
    20
    25
    30
    years
    Contraception use assesses the use of hormonal preparations, such as the contraceptive pill. Questions typically include whether the respondent has used or uses contraceptives prior to pregnancy or at this moment, and in some cases, for how long they have used it, and which type of contraceptive.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Child care

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_2 YS_3 YS_5 YS_7 YS_10 YS_12 YC_BS2 YS_TRIP age 1-2 YS_TRIP age 3 YS_TRIP age 5
     
    0
    5
    10
    15
    20
    25
    30
    years
    Childcare comprises of questions about pre-school, after-school and out-of school care.
    Created October 17, 2024 • Updated October 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
     
    0
    5
    10
    15
    20
    25
    30
    years
    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 October 17, 2024 • Updated October 20, 2024

  • measure Health problems and treatments

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_2 YS_3 YS_5 YS_TRF5 YS_7 YS_TRF7 YS_10 YS_TRF10 YS_12 YS_TRF12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_ACTION BB2 YC_ACTION - BB3 YC_BS1 YC_BS2 YC_DSC YE_FITNSS YE_ATTEF2 YC_ADHMRI YE_COG12 YE_COG18 YS_TRIP age 1 YS_TRIP age 2 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 12
     
    0
    5
    10
    15
    20
    25
    30
    years
    Health problems and treatments contains questions about health problems, diseases and disorders, including handicaps, treatments (also for mental health problems) and hospitalization.
    Created October 17, 2024 • Updated October 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
     
    0
    5
    10
    15
    20
    25
    30
    years
    Pregnancies and Miscarriages contains questions about getting pregnant, including the use of hormone preparations or assisted reproductive technologies, and miscarriages.
    Created October 17, 2024 • Updated October 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
     
    0
    5
    10
    15
    20
    25
    30
    years
    Birth assesses information on pregnancy duration, placenta and chorionicity, mode of delivery, complications around the delivery, and incubator time.
    Created October 17, 2024 • Updated October 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
     
    0
    5
    10
    15
    20
    25
    30
    years
    Stressful life events or stressful periods during pregnancy were reported by participants.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Sleep characteristics and sleep problems

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  2 months 6 months 2 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    Sleep characteristics and sleep problems assesses infant's sleep and sleep regulation, including sleep patterns, habits and sleeping problems.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Healthcare Utilization

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  2 months 6 months 3 years 4 years 5-6 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    Healthcare Utilization assesses the frequency of visits to a doctor (e.g. a general practitioner, peadiatrician, ENT), the reasons for such visits, concrete information about the visit (e.g., name of the hospital and doctor), the frequency of hospitalization, and the use of alternative medicine. It also assesses the growth (length, weight, head...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Medical history - Child

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  2 months 6 months 1 year 2 years 3 years 4 years 5-6 years 9-10 years 13-14 years 17-18 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    Medical history of the child assesses the general health and medical history of the child. It includes items regarding, distress, respiratory problems (e.g., coughing, sneezing, tightness of chest), pain and perception of pain, abdominal problems (e.g., stomach aches, bowel movements, constipation), teeth problems (e.g., tooth ache, difficulty eating,...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Epilepsy symptoms

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  2 months 6 months 1 year 2 years 3 years 5-6 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    Epilepsy symptoms assesses the presence of unexpected incidents and attacks in the medical history of the child. Items include epileptic seizures, seizure/febrile convulsion, a breath-holding spell, or lost consciousness.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Accidents

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  6 months 1.5 years 5-6 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    Accidents assesses home and traffic accidents that a child has experienced.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Pregnancy history - This pregnancy

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  Early pregnancy Late pregnancy 2 months
     
    0
    5
    10
    15
    20
    25
    30
    years
    Pregnancy history - This pregnancy assesses the course of a current pregnancy (at enrollement) and subsequent child delivery. It includes items on the last period, height, and weight, whether pregnancy was planned, contraceptive use, infertility treatment, whether blood type matches with biological father, other pregnancies with same biological fathers,...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Excessive crying

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  2 months 6 months 1 year
     
    0
    5
    10
    15
    20
    25
    30
    years
    Excessive crying assesses whether participants feel like their baby cries a lot (yes/no), whether the child cried for more than 3 hours a day during the last week (yes/no), on how many days this occurred, and how many hours a day the baby cried. Excessive crying can be identified as crying for 3 hours per day on 3 days in the preceding week using the...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Neonatal Perception Inventory (NPI)

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  Early pregnancy 2 months
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Neonatal Perception Inventory (NPI) measures expectations of the hypothetical ‘average’ baby. Questions cover behaviors like crying, feeding, spitting up, sleeping problems, intestinal problems, and regular sleeping/eating patterns. Participants reported on 6 questions, answered on a 4-point Likert scale.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Medical history - Fever

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  6 months 3 years 5-6 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Medical history - Fever questionnaire includes items about the fever history of children, including whether the child had a fever last year, associated symptoms, and doctor visits when the child had the symptoms.
    Created October 17, 2024 • Updated October 20, 2024

  • measure First days after birth

    Study:Generation R
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Generation R  2 months
     
    0
    5
    10
    15
    20
    25
    30
    years
    First days after birth assesses how many days after birth the child came home, after how many days the umbilial cord dropped off, the child's resemblance to its parents, and child hospitalization in the first week.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Air pollution

    Study:Generation R
    Mode of collection: Observation
    Available measurements:
    Generation R  Early pregnancy Mid pregnancy Late pregnancy Birth 6 weeks 2 months 3 months 4 months 6 months 1 year 1.5 years 2 years 2.5 years 3 years 4 years 5-6 years 7 years 8 years 9-10 years 11 years 12 years 13-14 years 17-18 years
     
    0
    5
    10
    15
    20
    25
    30
    years
    For all participants, exposure to air pollutants at each geocoded address was assessed using continuous monitoring data and Geographic Information Systems (GIS)-based modelling techniques, considering the spatial and temporal variation in air pollution.
    Created October 17, 2024 • Updated October 20, 2024
You can also access this registry using the API (see API Docs).