Pnm-23: The Relationship between Fetal Sex and Maternal Blood Group with Sleep Disorders during Pregnancy

Background: 79% of the pregnant women suffer from sleep disorders. These disorders are the result of physiological, hormonal, physical changes, that occur in pregnancy due to different causes including fetal sex and maternal blood group. This study aimed to evaluate the relationship between fetal sex and maternal blood group with sleep disorders during pregnancy in the second and third trimester. Materials and Methods: This study was cross-sectional and data was collected with continuous sampling method ,from 312 pregnant women with sleep disturbances (Pittsburgh Sleep Quality based on standard questionnaires ) in second and third trimester referring to two elected health centers in order to get prenatal care by the city of Maku in the Persian month Azar Bayjan Western University of Medical Sciences (University) and with using the personal and prenatal information forms completed by units research , and statistical methods to analyze data and analysis (frequency tables, Pearson, Spearman, ANOVA and Chi-squear ) was used . Results: There was significant association between subjective sleep quality (p ≤ 0.000), sleep duration (p ≤ 0.04), sleep efficiency (p ≤ 0.025), sleep disturbance (p≤ 0.045) and sleep quality score (p ≤ 0.015) with maternal blood group. But among the sleep components only Subjective Sleep Quality (p = 0.21) and day time Say time dysfunction (p = 0.06) did not have relationship with fetal sex. Conclusion: Fetal gender is independently associated with adverse pregnancy outcome. Although the added risk is relatively small, further investigation of the mechanisms underlying this association may contribute to our understanding of the pathophysiology of pregnancy complications such as sleep disorders.