smoking quantity associated_with birth weight
Evidence from:
primary |
all sources
Evidence (1 sources)
A common genetic variant in the 15q24 nicotinic acetylcholine receptor gene cluster (CHRNA5-CHRNA3-CHRNB4) is associated with a reduced ability of women to quit smoking in pregnancy.
(2009)
PMID:19429911
cited
the effect size of the association between smoking quantity and birth weight
confidence: 0.90