Table 1.

Demographic characteristics of maternal participants.

Abbreviation	Week of pregnancy	Previous pregnancies	Children	Age (years)	Ethnicity	Nationality
P1	27	0	0	28-32	Asian British (Indian)	English
P2	Not pregnant	2	1	≥38	Mixed Other	Singaporean
P3	22	0	0	28-32	White British	English
P4	16	0	0	28-32	White Other	French
P5	11	1	0	≥38	White Other	American
P6	35	1	0	33-37	White British	English
P7	10	0	0	≥38	White Other	Greek
P8	31	3	2	33-37	White British	English
P9	Not pregnant	5	2	33-37	White Other	Lebanese
P10	Not pregnant	4	3	33-37	Mixed Other	Singaporean
P11	39	2	1	33-37	White Irish	English