Figure 2.
Kaplan–Meier survival curves for all fetal deaths by in utero exposure to tobacco smoke (Asked in the first MoBa questionnaire as: Did your mother smoke when she was pregnant with you?) in the MoBa cohort.
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.