Duffy, J. M. N., Bhattacharya, S., Bhattacharya, S., Bofill, M., Collura, B., Curtis, C., Evers, J. L. H., Giudice, L. C., Farquharson, R. G., Franik, S., Hickey, M., Hull, M. L., Jordan, V., Khalaf, Y., Legro, R. S., Lensen, S., Mavrelos, D., Mol, B. W., Niederberger, C., Ng, E. H. Y., Puscasiu, L., Repping, S., Sarris, I., Showell, M., Strandell, A., Vail, A., van Wely, M., Vercoe, M., Vuong, N. L., Wang, A. Y., Wang, R., Wilkinson, J., Youssef, M. A., Farquhar, C. M., & , (2020). standardizing definitions and reporting guidelines for the infertility core outcome set: an international consensus development study . Human reproduction, 35(12), 2735–2745. http://access.bl.uk/ark:/81055/vdc_100117731604.0x000057