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Dr. P.J. Hajenius MD PhD

Position
Scientific staff member (UD)
Main activities
Patient care, Research
Specialisation
Gynecologist, perinatologist
Focus of research

Early pregnancy complications (miscarriage, ectopic pregnancy)

Preterm birth

Quality of care

Key publications
  • Mol F, van Mello NM, Strandell A, Strandell K, Jurkovic D, Ross J, Barnhart KT, Yalcinkaya TM, Verhoeve HR, Graziosi GCM, Koks CAM, Klinte I, Hogström L, Janssen ICAH, Kragt H, Hoek A, Trimbos-Kemper TCM, Broekmans FJM, Willemsen WNP, Ankum WM, Mol BW, van Wely M, van der Veen F, Hajenius PJ [Contributors: Dijkman AB, Thurkow AL, van Dessel HJHM, van der Linden PJQ, Bouwmeester FW, Oosterhuis GJE, van Beek JJ, Emanuel MH, Visser H, Doornbos JPR, Pernet PJM, Friederich J, Pettersson F, Sabetirad Z, Nilsson K, Tegerstedt G, Platz-Christensen JJ]] , Salpingotomy versus salpingectomy in women with tubal pregnancy (ESEP study): an open-label, multicentre, randomised controlled trial. LANCET 2014;383 (9927):1483-1489 [PubMed]
  • van Mello NM, Mol F, Opmeer BC, Ankum WM, Barnhart K, Coomarasamy A, Mol BW, van der Veen F, Hajenius PJ, Diagnostic value of serum hCG on the outcome of pregnancy of unknown location: a systematic review and meta-analysis. HUM REPROD UPDATE 2012;18 (6):603-617 [PubMed]
  • van Mello NM, Mol F, Verhoeve HR, van Wely M, Adriaanse AH, Boss EA, Dijkman AB, Bayram N, Emanuel MH, Friederich J, van der Leeuw-Harmsen L, Lips JP, van Kessel MA, Ankum WM, van der Veen F, Mol BW, Hajenius PJ, Methotrexate or expectant management in women with an ectopic pregnancy or pregnancy of unknown location and low serum hCG concentrations? A randomized comparison. HUM REPROD 2013;28 (1):60-67 [PubMed]
  • Mol F, Mol BW, Ankum WM, van der Veen F, Hajenius PJ, Current evidence on surgery, systemic methotrexate and expectant management in the treatment of tubal ectopic pregnancy: a systematic review and meta-analysis. HUM REPROD UPDATE 2008;14 (4):309-319 [PubMed]
  • Hajenius PJ, Engelsbel S, Mol BW, van der Veen F, Ankum WM, Bossuyt PM, Hemrika DJ, Lammes FB, Randomised trial of systemic methotrexate versus laparoscopic salpingostomy in tubal pregnancy. LANCET 1997;350 (9080):774-779 [PubMed]
All Publications
Research programmes

Prof. dr. J.A.M. van der Post MD PhD (Reproductive Health, placental disease and maternal and fetal diseases)

Prof. dr. M. Goddijn MD PhD (Reproductive Medicine)

Other research related activities
  • Membership of medical or scientific committee, Dutch Society of Obstetrics and Gynecology, working committee Early Pregnancy
  • Membership of medical or scientific committee, Dutch society of Obstetrics and Gynecology, working committee Otterlo
  • Contribution to guidelines and protocols, Diagnosis and management of tubal ectopic pregnancy
  • Contribution to guidelines and protocols, Diabetes in Pregnancy
  • Contribution to guidelines and protocols, Sections Diagnosis, Subfertility and Ectopic Pregnancy in the guideline Diagnosis and Treatment of Acute Appendicitis
  • Contribution to guidelines and protocols, KNOV, Postpartum care
  • Contribution to guidelines and protocols, KNOV, Postpartum care after cesarean section