1. The forgotten coil Fertility and Sterility
Samuel Marcus, Diana Marcus 
Fertility and Sterility 
Volume 95, Issue 1, Pages 291.e5-291.e6 (January 2011)
DOI: /j.fertnstert
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Intrauterine contraceptive device seen in utero via transvaginal ultrasonography.
Fertility and Sterility  , 291.e5-291.e6DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2
Lippes loop.
Fertility and Sterility  , 291.e5-291.e6DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions