Thomson, ElizabethGray, EdithCarlson, MarciaSchoen, Robert2021-02-28978-3-030-48518-4http://hdl.handle.net/1885/224539application/pdfen-AU© Springer Nature Switzerland AG 2020Multi-Partner Fertility in Europe and the United States202010.1007/978-3-030-48519-12020-11-15