The dangers of smoking before, during and after pregnancy are well known to all, but a new study out of England using 4D ultrasound imaging techniques sheds new light on the risks involved. If you had any doubts, please read this short article and then quit smoking!
https://www.independent.co.uk/life-style/health-and-families/4d-ultrasoun…
Wikipedia also has some good information here:
https://en.wikipedia.org/wiki/Smoking_and_pregnancy
and here from the Mayo Clinic:
https://www.mayoclinic.org/healthy-lifestyle/pregnancy-week-by-week/in-de…