One risk factor predicts another risk factor

Diabetes mellitus in pregnancy increases the risk of birth defects of newborns

“…7 All suggest the present study may be at potential risk of underestimating or overestimating their data because they are frequently noted in the literature review. [12][13][14][15] In fact, we supposed the possibility of underestimating the risk of BDs will occur in elder mothers and by contrast, overestimating the risk of BDs may occur in younger pregnant women.…”