Table 1.

Search term for the literature search.

Set	Search terms
1	“social network” OR “social support” OR “social connection” OR “social isolation” OR “loneliness”
2	(“happiness” OR “Quality of life” OR “subjective well-being” OR “life satisfaction)”
3	“pregnant” OR “pregnancy”
4	[((“social network” OR “social support” OR “social connection” OR “social isolation” OR “loneliness”) AND “pregnant”) OR “pregnancy”] AND (“happiness” OR “Quality of life” OR “subjective well-being” OR “life satisfaction”)