Effect of cigarette smoking on fetal breathing movements in normal pregnancies.Br Med J 1975; 1 doi: https://doi.org/10.1136/bmj.1.5957.552 (Published 08 March 1975) Cite this as: Br Med J 1975;1:552
- F Manning,
- E Wyn Pugh,
- K Boddy
In 18 women with uncomplicated pregnancies smoking two cigarettes significantly reduced the proportion of the time that fetal breathing movements were present.