Singapore PREconception Study of Long-Term Maternal and Child Outcomes

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It is now evident that prenatal stage represents a window of susceptibility for early life exposure that can have an effect on developing fetus, with potential long-lasting consequences for offspring growth and development. Emerging research suggest that the environmental modulation of tissue develo...

It is now evident that prenatal stage represents a window of susceptibility for early life exposure that can have an effect on developing fetus, with potential long-lasting consequences for offspring growth and development. Emerging research suggest that the environmental modulation of tissue development and function may even occur both before and soon after conception but as yet, limited study has been conducted to investigate the relationship of preconception and early prenatal life conditions, including nutrition, lifestyle and environmental factors, with maternal and offspring health. This prospective preconception cohort study recruited 1054 women who plan to get pregnant. The investigators will assess the women metabolically, nutritionally and epigenetically, then monitor them from their first missed menses with nutritional surveys and assays and repeated bio-sampling to birth followed by assessment in the women of lactation and lactational nutrition. Biochemical and molecular analyses will be done on the cord and placenta at birth and in buccal smears at frequent postnatal intervals. The women's partners will also be recruited on consent. Phenotypic measures of body composition and core neurodevelopmental measures will be followed in the offspring from birth until 7 years of age. Metabolic and mental health of women will also be measured from preconception until 7 years postpartum. At delivery phase, there are 373 mother-child pairs with 80% of fathers enrolled in the study as well. This study allows understanding of the potential triggers during early life environment, including nutritional and lifestyle factors, emotional wellbeing, socio-economic status, microbiome, pollutants, metabolomics and epigenetics, which can independently or collectively influence metabolic and neural phenotypes in the offspring and mother. This will help to establish what future directions may hold in terms of possible preventive strategies that may lead to decreased prevalence of metabolic diseases and mental/ neurological disorders.

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