Lee, S. I., Azcoaga-Lorenzo, A., Agrawal, U., Kennedy, J. I., Fagbamigbe, A. F., Hope, H., Subramanian, A., Anand, A., Taylor, B., Nelson-Piercy, C., Damase-Michel, C., Yau, C., Crowe, F., Santorelli, G., Eastwood, K., Vowles, Z., Loane, M., Moss, N., Brocklehurst, P., Plachcinski, R., Thangaratinam, S., Black, M., O'Reilly, D., Abel, K. M., Brophy, S., Nirantharakumar, K., McCowan, C., & , (2021). epidemiology of pre-existing multimorbidity in pregnant women in the UK in 2018: a cross-sectional study. Lancet, 398, S7–. http://access.bl.uk/ark:/81055/vdc_100146362680.0x000053