IRCT20160704028794N2 IRCT 2018-01-01 Zahedan University of Medical Sciences The effect of yoga in pregnancy The effect of yoga in pregnancy on anxiety and child birth self –efficacy of nulliparous pregnant women 2017-12-11 anticipated 60 Complete https://irct.ir/trial/27786 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Single, Purpose: Education/Guidance, Randomization description: Random blocks, Blinding description: This is a clinical trial study Since the nature of the study is sport, it is not possible to blind people. Only the statistics specialist will be unaware of this matter that, which person belongs to which group (intervention or control). N/A بارداری. Intervention 1: Intervention group: In the intervention group, individuals in 27th week of gestation for 5 weeks each week will receive a 45-60 minute session of yoga exercises,Including position-selecting, controlled respiratory exercises, and Releasing and relaxation exercises in the gym where yoga instructors and researcher are present. Intervention 2: Control group: The control group will receive the usual care of the pregnancy. Undecided - It is not yet known if there will be a plan to make this available