| Views | |
| A community-based obstetric ultrasound service | 158 |
| November 2012 | December 2012 | January 2013 | February 2013 | March 2013 | April 2013 | May 2013 | |
| A community-based obstetric ultrasound service | 7 | 8 | 26 | 11 | 9 | 13 | 7 |
| Views | |
| United States of America | 57 |
| China | 19 |
| Canada | 13 |
| Russian Federation | 3 |
| France | 2 |
| Japan | 2 |
| United Kingdom | 1 |
| Netherlands | 1 |
| Venezuela | 1 |
| South Africa | 1 |
| Views | |
| Redwood City | 20 |
| Beverly Hills | 17 |
| Toronto | 13 |
| Beijing | 12 |
| Sayreville | 2 |
| Ashburn | 1 |
| Cape Town | 1 |
| Caracas | 1 |
| Montfermeil | 1 |
| Needham Heights | 1 |