Differential effects of completed and incomplete pregnancies on the risk of Alzheimer disease
- Authors
- Jang, Hyesue; Bin Bae, Jong; Dardiotis, Efthimios; Scarmeas, Nikolaos; Sachdev, Perminder S.; Lipnicki, Darren M.; Han, Ji Won; Kim, Tae Hui; Kwak, Kyung Phil; Kim, Bong Jo; Kim, Shin Gyeom; Kim, Jeong Lan; Moon, Seok Woo; Park, Joon Hyuk; Ryu, Seung-Ho; Youn, Jong Chul; Lee, Dong Young; Lee, Dong Woo; Lee, Seok Bum; Lee, Jung Jae; Jhoo, Jin Hyeong; Yannakoulia, Mary; Kosmidis, Mary H.; Hadjigeorgiou, Giorgos M.; Sakka, Paraskevi; Kim, Ki Woong
- Issue Date
- 14-Aug-2018
- Publisher
- Lippincott Williams & Wilkins Ltd.
- Keywords
- Differential effects of completed and incomplete pregnancies on the risk of Alzheimer disease.
- Citation
- Neurology, v.91, no.7, pp E643 - E651
- Journal Title
- Neurology
- Volume
- 91
- Number
- 7
- Start Page
- E643
- End Page
- E651
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/5718
- DOI
- 10.1212/WNL.0000000000006000
- ISSN
- 0028-3878
1526-632X
- Abstract
- Objective To investigate the effects of completed pregnancy with childbirth and incomplete pregnancy without childbirth on the late-life cognition and the risk of Alzheimer disease (AD) in women. Methods Using the pooled data of 3,549 women provided by 2 population-based cohort studies, we conducted logistic regression analyses to examine retrospectively the associations of completed and incomplete pregnancy with the risks of mild cognitive impairment and AD. For women without dementia, we also conducted analyses of covariance to examine the associations of completed and incomplete pregnancy with Mini-Mental State Examination (MMSE) score. Results Grand multiparous women who experienced >= 5 completed pregnancies showed an approximate to 1.7-fold higher risk of AD than those who experienced 1 to 4 completed pregnancies (odds ratio [OR] 1.68, 95% confidence interval [CI] 1.04-2.72), while those who had incomplete pregnancies showed half the level of AD risk compared with those who never experienced an incomplete pregnancy (OR 0.43, 95% CI 0.24-0.76 for 1 incomplete pregnancy; OR 0.56, 95% CI 0.34-0.92 for >= 2 incomplete pregnancies). In women without dementia, the grand multiparous had worse MMSE scores than those with 1 to 4 completed pregnancies (p < 0.001), while those who experienced >= 1 incomplete pregnancies had better MMSE scores than those who never experienced an incomplete pregnancy (p = 0.008). Conclusions Grand multiparity was associated with high risk of AD, while incomplete pregnancy was associated with low risk of AD in late life.
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