Table 2 Characteristics of the included studies
|  | Number of studies N = 53 |
|---|---|
n (%) | |
Publication year | Â |
  1990–1999 | 0 (0) |
  2000–2004 | 1 (1.9) |
  2005–2009 | 8 (15.1) |
  2010–2014 | 17 (32.1) |
  2015–2019 | 21 (39.6) |
  2020 | 6 (11.3) |
Country | Â |
  Iran | 8 (15.1) |
  China | 6 (11.3) |
  USA | 5 (9.4) |
  Australia | 3 (3.0) |
  Japan | 3 (5.7) |
  Portugal | 3 (5.7) |
  Scotland | 3 (5.7) |
  Turkey | 3 (5.7) |
  Taiwan | 3 (5.7) |
  Brazil | 2 (3.8) |
  Malawi | 2 (3.8) |
  Netherlands | 2 (3.8) |
  UK | 2 (3.8) |
  Other countries | 8 (15.1) |
Design | Â |
  Cross-sectional | 21 (39.6) |
  Longitudinal | 15 (28.3) |
  Validation | 17 (32.1) |
Participants | Â |
  1–49 | 3 (5.7) |
  50–99 | 5 (9.4) |
  100–299 | 21 (39.6) |
  300–499 | 9 (17) |
  500–999 | 9 (17) |
  1000+ | 6 (11.3) |
Gender | Â |
  Women | 49 (92.5) |
  Men/partners | 0 (0) |
  Women + men/partners (couples) | 4 (7.5) |
Measurement timepoint/period | Â |
  Pregnancy | 20 (37.7) |
  Postpartum (< 12 months) | 24 (45.3) |
  Pregnancy + postpartum | 9 (17) |
QoL Instruments* | Â |
Generic instruments | 40 (70.2) |
   Short Form 36-item health survey (SF-36) | 10 (17.5) |
   RAND 36-item health survey (RAND-36) | 1 (1.8) |
   Short Form 12-item health survey (SF-12) | 9 (15.8) |
   Short Form 8-item health survey (SF-8) | 1 (1.8) |
   World Health Organization Quality of Life Questionnaire Brief version (WHOQOL-BREF) | 9 (15.8) |
   EUROHIS-QoL-8 | 1 (1.8) |
   Quality of life scale (QOLS) | 1 (1.8) |
   Nottingham Health Profile (NHP) | 1 (1.8) |
   EQ-5D-3L + EQ VAS | 2 (3.6) |
   Patient reported outcomes measurement information system-43 (PROMIS 43) | 1 (1.8) |
   Patient reported outcomes measurement information System-global short form (PROMIS GSF) | 3 (5.3) |
   Duke health profile (DUKE) | 1 (1.8) |
Specific instruments | 17 (29.8) |
   Maternal quality of life Index (M-QLI) | 1 (1.8) |
   Mother generated Index (MGI) | 6 (10.5) |
   Quality of life Gravidarum (QOL-GRAV) | 3 (5.3) |
   Maternal postpartum quality of life questionnaire (MAPP-QOL) | 2 (3.5) |
   Rural postpartum quality of life (RPQOL) | 1 (1.8) |
   Postpartum quality of life (PQOL) | 3 (5.3) |
   Short form postpartum quality of life (SF-PQOL) | 1 (1.8) |