Just google for images of doctor advetisements cigarettes
And then add pregnant too
Heres some examples
https://www.pinterest.ca/pin/89931323793587521/
https://allthatsinteresting.com/vintage-cigarette-ads
https://www.cbsnews.com/pictures/blowing-smoke-vintage-ads-of-doctors-endorsing-tobacco/
https://www.cbsnews.com/pictures/outrageous-vintage-cigarette-ads/5/
I suspect those of us who remember what LS/MFT stands for remember those kind of adds in Look, Life and all of the other slick publications.
LSMFT