Prevention of maternal–fetal transmission of cytomegalovirus after primary maternal infection in the first trimester by biweekly hyperimmunoglobulin administration von Kagan, K. O., Enders, M., Schampera, M. S., Baeumel, E., Hoopmann, M., Geipel, A., Berg, C., Goelz, R., De Catte, L., Wallwiener, D., Brucker, S., Adler, S. P., Jahn, G., Hamprecht, K.

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First‐trimester screening for trisomy 21 by free beta‐human chorionic gonadotropin and pregnancy‐associated plasma protein‐A: impact of maternal and pregnancy characteristics... von Kagan, K. O., Wright, D., Spencer, K., Molina, F. S., Nicolaides, K. H.

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Screening for trisomy 21 by maternal age, fetal nuchal translucency thickness, free beta‐human chorionic gonadotropin and pregnancy‐associated plasma protein‐A von Kagan, K. O., Wright, D., Baker, A., Sahota, D., Nicolaides, K. H.

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First‐trimester risk assessment based on ultrasound and cell‐free DNA vs combined screening: a randomized controlled trial von Kagan, K. O., Sroka, F., Sonek, J., Abele, H., Lüthgens, K., Schmid, M., Wagner, P., Brucker, S., Wallwiener, D., Hoopmann, M.

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A mixture model of nuchal translucency thickness in screening for chromosomal defects von Wright, D., Kagan, K. O., Molina, F. S., Gazzoni, A., Nicolaides, K. H.

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First‐trimester screening for trisomies 18 and 13, triploidy and Turner syndrome by detailed early anomaly scan von Wagner, P., Sonek, J., Hoopmann, M., Abele, H., Kagan, K. O.

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Prospective detection of open spina bifida at 11–13 weeks by assessing intracranial translucency and posterior brain von Chaoui, R., Benoit, B., Heling, K. S., Kagan, K. O., Pietzsch, V., Sarut Lopez, A., Tekesin, I., Karl, K.

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Ductus venosus Doppler in screening for trisomies 21, 18 and 13 and Turner syndrome at 11–13 weeks of gestation von Maiz, N., Valencia, C., Kagan, K. O., Wright, D., Nicolaides, K. H.

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Fetal nasal bone in screening for trisomies 21, 18 and 13 and Turner syndrome at 11–13 weeks of gestation von Kagan, K. O., Cicero, S., Staboulidou, I., Wright, D., Nicolaides, K. H.

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The 11–13‐week scan: diagnosis and outcome of holoprosencephaly, exomphalos and megacystis von Kagan, K. O., Staboulidou, I., Syngelaki, A., Cruz, J., Nicolaides, K. H.

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The cavum septi pellucidi in euploid and aneuploid fetuses von Abele, H., Babiy‐Pachomow, O., Sonek, J., Hoopmann, M., Schaelike, M., Kagan, K. O.

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Tricuspid regurgitation in screening for trisomies 21, 18 and 13 and Turner syndrome at 11 + 0 to 13 + 6 weeks of gestation von Kagan, K. O., Valencia, C., Livanos, P., Wright, D., Nicolaides, K. H.

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How to measure cervical length von Kagan, K. O., Sonek, J.

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Discordance in nuchal translucency thickness in the prediction of severe twin‐to‐twin transfusion syndrome von Kagan, K. O., Gazzoni, A., Sepulveda‐Gonzalez, G., Sotiriadis, A., Nicolaides, K. H.

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ISUOG consensus statement on the impact of non‐invasive prenatal testing (NIPT) on prenatal ultrasound practice von Salomon, L.J., Alfirevic, Z., Audibert, F., Kagan, K. O., Paladini, D., Yeo, G., Raine‐Fenning, N.

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First‐trimester contingent screening for trisomies 21, 18 and 13 by fetal nuchal translucency and ductus venosus flow and maternal blood cell‐free DNA testing von Kagan, K. O., Wright, D., Nicolaides, K. H.

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Prospective validation of first‐trimester combined screening for trisomy 21 von Kagan, K. O., Etchegaray, A., Zhou, Y., Wright, D., Nicolaides, K. H.

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Prefrontal space ratio in second‐ and third‐trimester screening for trisomy 21 von Yazdi, B., Sonek, J., Oettling, C., Hoopmann, M., Abele, H., Schaelike, M., Kagan, K. O.

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Frontal space distance in facial clefts and retrognathia at 11–13 weeks' gestation von Hoopmann, M., Sonek, J., Esser, T., Bilardo, C. M., Wagner, P., Abele, H., Kagan, K. O.

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First‐trimester ultrasound and biochemical markers of aneuploidy and the prediction of preterm or early preterm delivery von Spencer, K., Cowans, N. J., Molina, F., Kagan, K. O., Nicolaides, K. H.

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