Laisk T, Kukuškina V, Palmer D, et al. Large-scale meta-analysis highlights the hypothalamic-pituitary-gonadal axis in the genetic regulation of menstrual cycle length. Hum Mol Genet. 2018;27(24):4323-4332. doi:10.1093/hmg/ddy317
Perry JRB, Day F, Elks CE, et al. Parent-of-origin-specific allelic associations among 106 genomic loci for age at menarche. Nature. 2014;514(7520):92-7. doi:10.1038/nature13545