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  • Title: Association between Pet Ownership and Threatened Abortion in Pregnant Women: The China Birth Cohort Study.
    Author: Zhang Z, Yu Y, Yang B, Huang W, Zhang Y, Luo Y, Bloom MS, Qian Z, Arnold LD, Boyd R, Wu Q, Liu R, Dong G, Yin C, The China Birth Cohort Study Cbcs Group.
    Journal: Int J Environ Res Public Health; 2022 Dec 06; 19(23):. PubMed ID: 36498445.
    Abstract:
    Background: The aim of this study was to assess the association between pet ownership and threatened abortion (TA) in pregnant Chinese women. Materials and Methods: We enrolled pregnant women from 18 provinces and autonomous regions across China between November 2017 and December 2020. Participants were grouped based on the presence or absence of pet ownership. Pet owners were further sub-grouped based on the presence or absence of close contact with their pets. Pet species included cats, dogs, and both. Generalised linear mixed models, with province as a random effect, were used to estimate the associations between pet ownership and TA. Results: Pet ownership, whether or not one had close contact with pets, was associated with greater odds of TA (OR: 1.30, 95% CI: 1.21, 1.40). Keeping pet cats (OR: 1.24, 95% CI: 1.11, 1.40), dogs (OR: 1.29, 95% CI: 1.18, 1.41), or both cats and dogs (OR: 1.36, 95% CI: 1.04, 1.68) during pregnancy were all risk factors for TA. We observed significant group differences (p for difference < 0.05) in pre-pregnancy body mass index, education levels, and annual household income. Conclusions: Cat or dog ownership during pregnancy was associated with an increased risk of TA, especially among overweight, less educated, or lower-income participants.
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