Figure 3. Mean Difference in Growth and Adiposity Outcomes Between Offspring Conceived via Assisted Reproductive Technology (ART) and Those Who Were Naturally Conceived (NC), Separately for Offspring Who Were NC by Parents Who Were Subfertile or Fertile .

Parents were classified as fertile if time to pregnancy within 12 months from when they began trying; parents were classified as subfertile if time to pregnancy was greater than 12 months. Cohort-specific results were adjusted for maternal age, parity, body mass index (BMI), smoking, education, ethnicity or country of birth, plus offspring sex and age.