Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Flowchart showing the number of participants throughout the study (PreC, preconception; STAI; State-Trait Anxiety Inventory; tHcy, total homocysteine; CBCL/4-18, Child Behaviour Checklist; IOWA, Inattention-Overactivity with Aggression; IQ, intelligence quotient; WPPSI, Wechsler Preschool and Primary Scale of Intelligence)
