Nursing Baby And Husband How Does My Lacto-veg Diet Affect My Nursing Baby?

How does my lacto-veg diet affect my nursing baby? - nursing baby and husband

The reason I ask because I took my child from 6 months of good during his visit and my doctor told me not to grow well and head circumference. This concerns me and asked my husband if I could be food related, so I try to find some information.
I know this is a critical moment in its existence and development, which I do not want "something that endangers the after this I wanted to ask.