Clinical Rheumatology

, Volume 38, Issue 3, pp 895–902 | Cite as

Outcome of pregnancy in women with psoriatic arthritis compared to healthy controls

  • Ari Polachek
  • Inbal Polachek Shlomi
  • Karen Spitzer
  • Daniel Pereira
  • Justine Yang Ye
  • Vinod Chandran
  • Carl A. Laskin
  • Dafna D. GladmanEmail author
Original Article



The mean age at onset of psoriatic arthritis (PsA) ranges between the 4th–6th decades of life. However, little is known about fertility and pregnancy outcome in PsA patients. The aim of this study was to examine whether fertility and pregnancy outcome of PsA patients are different from healthy controls and to evaluate PsA and psoriasis disease activity perception during pregnancy and the year postpartum.


A questionnaire-based study, including demographic, fertility, pregnancy outcome, and disease activity questions, was conducted in PsA patients and healthy controls. The inclusion criterion was diagnosis of PsA before at least 1 pregnancy. Descriptive statistics are provided. T tests and Pearson chi-square tests were used to analyze the differences between continuous and categorical variables, respectively.


The 74 PsA patients and 74 healthy controls were not significantly different in most of the demographic variables. The mean number of pregnancies, children, and infertility diagnosis were not significantly different between the groups. The pregnancy outcomes in the PsA group (n = 151) and in the control group (n = 189) were similar in: live birth (76% vs. 76%, P = 0.3), vaginal delivery (48% vs. 51%, P = 0.6), gestation age (38.5 vs. 38.3, P = 0.3), weight at birth (3.4 kg vs. 3.4 kg, P = 0.5), low rate of maternal and fetal complications, and the duration and rate of breastfeeding. Most (58%) patients reported favorable joint activity during pregnancy and 50% reported worsening during the 1st postpartum year.


PsA patients do not have more infertility or worse pregnancy outcomes compared to healthy controls.


Birth Conception Gestation Pregnancy Psoriasis Spondyloarthritis 


Funding information

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors. The University of Toronto Psoriatic Arthritis is supported by a grant from the Krembil Foundation. Dr. Polachek was supported by an unrestricted educational grant from Janssen Canada.

Compliance with ethical standards



Supplementary material

10067_2018_4385_MOESM1_ESM.docx (17 kb)
ESM 1 (DOCX 16 kb)


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Copyright information

© International League of Associations for Rheumatology (ILAR) 2018

Authors and Affiliations

  1. 1.Toronto Western Hospital, Centre for Prognosis Studies in the Rheumatic DiseasesUniversity of TorontoTorontoCanada
  2. 2.Department of Rheumatology, Tel Aviv Sourasky Medical Center, Sackler Faculty of MedicineTel Aviv UniversityTel AvivIsrael
  3. 3.Reproductive life Stages ProgramWomen’s College HospitalTorontoCanada
  4. 4.Beer Yaakov- Ness Ziona Mental Health Center, Sackler Faculty of MedicineTel Aviv UniversityTel AvivIsrael
  5. 5.TRIO FertilityUniversity of TorontoTorontoCanada
  6. 6.Psoriatic Arthritis Program, Centre for Prognosis Studies in the Rheumatic DiseaseToronto Western HospitalTorontoCanada
  7. 7.Centre for Prognosis Studies in the Rheumatic Diseases, Krembil Research InstituteUniversity Health NetworkTorontoCanada
  8. 8.Departments of Medicine and Laboratory Medicine and PathobiologyUniversity of TorontoTorontoCanada
  9. 9.Departments of Medicine (Rheumatology) and Obstetrics and Gynecology (REI), TRIO FertilityUniversity of TorontoTorontoCanada
  10. 10.Psoriatic Arthritis Program, Centre for Prognosis Studies in the Rheumatic DiseaseToronto Western HospitalTorontoCanada

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