Sunday, July 3, 2022

Twin pregnancy

: increased age and parity
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. 

1 comment:

  1. There is invagination of placental tissue in between chorionic layers causing it to be lambda
    In monochorionic ,placenta can’t get in between amniotic layers as it is sealed by chorion so it forms a T Sign

    ReplyDelete

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