RT Book, Section
A1 Matias, Alexandra
A1 Jeanty, Philippe
A1 Anthony, Johnson
A1 Toy, Eugene C.
A2 Fleischer, Arthur C.
A2 Abramowicz, Jacques S.
A2 Gonçalves, Luis F.
A2 Manning, Frank A.
A2 Monteagudo, Ana
A2 Timor, Ilan E.
A2 Toy, Eugene C.
SR Print(0)
ID 1151032845
T1 Sonography in Multiple Gestation
T2 Fleischer's Sonography in Obstetrics and Gynecology: Textbook and Teaching Cases, 8e
YR 2017
FD 2017
PB McGraw-Hill Education
PP New York, NY
SN 9781259641367
LK obgyn.mhmedical.com/content.aspx?aid=1151032845
RD 2024/04/24
AB Key  TermsMonozygotic  twins:  a  pregnancy  of  2  fetuses  derived  from  the  same  zygote  that  divided  between  the  day  of  fertilization  and  the  14th  day.  They  can  have  phenotypic  and  genotypic  differences  and  can  have  either  a  dichorionic  or  a  monochorionic  placentation.Dizygotic  twins:  a  pregnancy  of  2  fetuses  derived  from  2  different  zygotes,  resulting  from  the  fertilization  of  2  oocytes  from  the  same  cycle.  They  always  have  a  dichorionic  placentation.Chorionicity:  type  of  placentation  in  cases  of  multiple  pregnancy  defined  by  the  number  of  chorions.Lambda  sign:  sonographic  sign  resulting  from  the  juxtaposition  of  2  layers  of  amnion  and  2  layers  of  chorion  in  a  dichorionic  twin  pregnancy.