Multiple sclerosis and related disorders · 2018
Uncovering the link between reproductive factors and multiple sclerosis: A case-control study on Iranian females.
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Salehi Fatemeh, Abdollahpour Ibrahim, Nedjat Saharnaz, Sahraian Mohammad Ali, Memari Amir-Hossein, Rahnama Maryam, Mansournia Mohammad Ali
Аннотация
BACKGROUND: Increase of MS prevalence in females compared to males, especially in reproductive age, highlights the important role of reproductive factors in MS pathology.
OBJECTIVES: We examined the association between females' reproductive age-related factors and MS risk.
METHODS: A case-control study including 399 cases and 541 controls was carried out. The adjusted associations between MS risk and reproductive variables including age at menarche, oral contraceptive pills (OCPs) use history, OCP usage duration and age at first use, history of assisted reproductive technologies (ARTs) use, parity history, age at first childbirth and the number of parities, abortion and exclusive breast feeding > 2 months were assessed.
RESULTS: We found protective relationships between MS and older age at menarche (OR = 0.90 {95% CI = 0.82-0.98}), ART use history (OR = 0.45 {95% CI = 0.21-0.99}), older maternal age at first childbirth (OR = 0.94{95% CI = 0.89 - 0.99}) and higher number of parities(OR = 0.61 {95% CI = 0.49 - 0.75), whereas using OCPs was associated with higher risk of developing MS (OR = 1.80 {95% CI = 1.35-2.41}).
CONCLUSIONS: Links were noted between a number of reproductive factors and risk of MS.
OBJECTIVES: We examined the association between females' reproductive age-related factors and MS risk.
METHODS: A case-control study including 399 cases and 541 controls was carried out. The adjusted associations between MS risk and reproductive variables including age at menarche, oral contraceptive pills (OCPs) use history, OCP usage duration and age at first use, history of assisted reproductive technologies (ARTs) use, parity history, age at first childbirth and the number of parities, abortion and exclusive breast feeding > 2 months were assessed.
RESULTS: We found protective relationships between MS and older age at menarche (OR = 0.90 {95% CI = 0.82-0.98}), ART use history (OR = 0.45 {95% CI = 0.21-0.99}), older maternal age at first childbirth (OR = 0.94{95% CI = 0.89 - 0.99}) and higher number of parities(OR = 0.61 {95% CI = 0.49 - 0.75), whereas using OCPs was associated with higher risk of developing MS (OR = 1.80 {95% CI = 1.35-2.41}).
CONCLUSIONS: Links were noted between a number of reproductive factors and risk of MS.