Hot yoga and pregnancy: Fitness and hyperthermia. Author: Chan J, Natekar A, Koren G. Conference/Journal: Can Fam Physician. Date published: 2014 Jan Other: Volume ID: 60 , Issue ID: 1 , Pages: 41-2 , Word Count: 49 Question One of my pregnant patients wishes to continue her hot yoga exercises during pregnancy. Is this practice safe? Answer With the increased risk of neural tube defects and possibly of other malformations among fetuses exposed to excessive heat, pregnant women should avoid practising hot yoga during pregnancy. PMID: 24452558