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. 2018 Feb 20;2018(2):hoy001. doi: 10.1093/hropen/hoy001

Table I.

Summary of measurements collected in women (X) and men (Y) in the Environment and Reproductive Health (EARTH) Study.

Measurement category Measurement or sample Study visits
Entry Per cycle Per pregnancy
Visit Visit 1 Visit 2 Visit 1 Visit 2 Visit 3
Biological Samples
Urine X, Y X X, Y X X X
Blood X, Y X, Y X X X
 Serum X, Y X, Y X X X
 Blood clot X, Y X, Y X X X
 Whole blood X, Y X, Y X X X
Follicular fluid X
 Supernatant
 Cell pellet
Semen Y Y
Hair X
Children’s teeth
Questionnaires
Demographics X, Y
Medical history X, Y
Reproductive history X, Y
Occupation history X, Y
Lifestyle X, Y
Diet/food frequency X, Y
Personal care product use X, Y X X
Male abstinence Y Y
Data Abstraction
Fertility clinic records (infertility diagnosis) X, Y
Fertility records (ART medications) X
Fertility clinic (ART/IUI outcomes) X
Pregnancy records (prenatal follow-up data) X X X
Labor/delivery records (maternal and infant delivery outcomes) X
Anthropometry
Weight X, Y X
Height X, Y
Environmental Samples
Dust X, Y