Olfaction During Pregnancy and Postpartum Period.
Fornazieri, Marco Aurélio
Prina, Douglas Manuel Carrapeiro
Favoreto, João Paulo Maximiano
Silva, Kleber Rodrigues e
Ueda, Denis Massatsugu
Pinna, Fábio de Rezende
Voegels, Richard Louis
Doty, Richard L.
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INTRODUCTION: Studies of the effect of pregnancy on olfactory function are contradictory—some report reduced function, others hypersensitivity, and still others no change at all. Our objectives were to quantify olfactory function in women during gestational and puerperal periods, to compare the olfactory test scores to those of non-pregnant women, and to explore the potential influence of rhinitis on olfactory function during these periods. METHODS: We evaluated olfactory function in 206 women with and without rhinitis—47 in the first trimester of pregnancy, 33 in the second, 44 in the third, 32 in the postpartum period, and 50 who were non-pregnant. Olfactory assessment was performed using the University of Pennsylvania Smell Identification Test (UPSIT) and ratings of the pleasantness and intensity of four common odors. RESULTS: Although total UPSIT scores did not differ among the study groups, pregnant and postpartum women identified some odors less well than did the controls. Pregnant women, especially in the first trimester, tended to consider some smells less pleasant. Rhinitis was adversely associated with the olfactory test scores of the pregnant and postpartum women. CONCLUSIONS: The overall olfactory function of postpartum and pregnant women did not differ compared to controls; however, detection of some individual UPSIT items was adversely impacted (e.g., menthol, gingerbread, gasoline). Rhinitis was associated with reduced olfaction during pregnancy and puerperium.
Chem Percept. 2019;12:125–134. doi: 10.1007/s12078-019-09259-7
Olfaction disordersSmellPregnancyPostpartum periodOlfactory perceptionRhinitis
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