1. Successful management of a cervical twin pregnancy: neoadjuvant systemic methotrexate and prophylactic high cervical cerclage before curettage 
Giuseppe Trojano, M.D., Giuseppe Colafiglio, M.D., Nicola Saliani, M.D., Giuseppe Lanzillotti, M.D., Ettore Cicinelli, M.D. 
Fertility and Sterility 
Volume 91, Issue 3, Pages 935.e e19 (March 2009)
DOI: /j.fertnstert
Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Transvaginal ultrasound scan at sixth week of gestation showing the two gestational sacs at the cervical level. Total trophoblast diameter is approximately 5 cm; trophoblast appears to infiltrate most of cervix so that the muscular layer in some points is totally infiltrated (white arrow).
Fertility and Sterility  , 935.e e19DOI: ( /j.fertnstert )
Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions