Database |
| Search Terms and Formulas | Number of results | Search Date |
PubMed | #1 | COVID-19[MH] | 172,767 | 2022.7.19 |
#2 | Pregnant Women[MH] | 12,492 | ||
#3 | Depression[MH] | 245,907 | ||
#4 | #1 and #2 and #3 | 107 | ||
#5 | (#4) and Abstract, English | 100 | ||
CINAHL | #1 | MH “COVID-19+” | 34,313 | 2022.7.19 |
#2 | MH “Expectant Mothers” or Pregnant Women | 48,757 | ||
#3 | MH “Depression+” | 129,450 | ||
#4 | #1 and #2 and #3 | 15 | ||
#5 | (#4) and Abstract, English | 13 | ||
MEDLINE | #1 | MH “COVID-19” | 168,669 | 2022.7.19 |
#2 | MH “Pregnant Women” | 12,380 | ||
#3 | MH “Depression” | 141,609 | ||
#4 | #1 and #2 and #3 | 102 | ||
#5 | (#4) and Abstract, English | 94 | ||
CiNii | #1 | COVID-19 | 23,673 | 2022.7.19 |
#2 | Pregnant Women | 11,087 | ||
#3 | Depression | 100,092 | ||
#4 | #1 and #2 and #3 | 5 | ||
Japan Medical Abstract Society | #1 | COVID-19/TH or COVID-19/AL | 27,783 | 2022.7.19 |
#2 | Pregnant Women/TH or Pregnant Women/AL | 44,593 | ||
#3 | Depression/TH | 24,330 | ||
#4 | #1 and #2 and #3 | 5 | ||
#5 | (#4) and (AB=Y) | 1 |