Vaginal dysbiosis increases risk of preterm fetal membrane rupture, neonatal sepsis and is exacerbated by erythromycin. Brown, R.G., Marchesi, J.R., Lee, Y.S., Smith, A., Lehne, B., Kindinger, L.M., Terzidou, V., Holmes, E., Nicholson, J.K., Bennett, P.R. and MacIntyre, D.A., 2018.BMC medicine, 16(1), p.9.