From: Time associations between U.S. birth rates and add-Ons to IVF practice between 2005–2016
Study year | 2005 | 2010 | 2015 | 2016 | p-value |
---|---|---|---|---|---|
Clinical pregnancies (%)a | 34.5 | 36.8 | 29.3 | 25.4 | < 0.0001 |
Singleton (%) | 20.5 | 23.1 | 20.4 | 19.8 | < 0.0001 |
Multiples (%) | 11.2 | 11.5 | 6.9 | 5.6 | < 0.0001 |
No pregnancy (%) | 65.4 | 62.4 | 70.2 | 72.2 | < 0.0001 |