Assertion: c section | /r/PartOf | only 5% of births
Facets:
value: until the mid-1970s
type: TEMPORAL
value: in the usa
type: LOCATION
Source sentences:
text: Although caesarean deliveries made up only 5% of births overall in the USA until the mid-1970s, it was commonly believed that for women with previous caesarean sections, "Once a Caesarean, always a Caesarean".