Complex sentence: Genetic make-up is a factor in the causality of preterm birth, and genetics has been a big factor into why Filipinos have a high risk of premature birth as the Filipinos have a large prevalence of mutations that helps them be predisposed to premature births.
Split into simpler sentences: Genetic make-up is a factor in the causality of preterm birth. Genetics has been a big factor into why Filipinos have a high risk of premature birth as the Filipinos have a large prevalence of mutations that helps them be predisposed to premature births.