Family history of twins
Treatment for infertility
2 varieties:dizygotic and monozygotic
MZ twins are of the following variety depending on the time of twinning
1-within 72hrs of fertilization =dichorionic, diamniotic
2-between 4th and 8th day= monochorionic, diamniotic
3-between 8th and 12th day=monochorionic, monoamniotic
4-after 12days=siamese or conjoint twins
Signs for chorionicity on USG:
Dichorionicity:twin peak/lambda sign
Monochorionicity: T sign/inverted T sign
Maternal complications:
Anemia
Hyperemesis
Pre-eclampsia
Preterm labor
PPH
Twin complications:
Conjoined twinning
Twin to twin transfusion syndrome
Acardiac twin
Discordant growth
-Rudrani.
There is invagination of placental tissue in between chorionic layers causing it to be lambda
ReplyDeleteIn monochorionic ,placenta can’t get in between amniotic layers as it is sealed by chorion so it forms a T Sign