T-sign is seen in
The "T sign" and Twin-peak sign(or lambda (l)sign) and is used in ultrasound assessment of multifetal pregnancy. T sign refers to the thin intervening septa denoting a Monochorionic pregnancy. Twin peak sign/Lambda sign denotes Dichorionic Diamniotic Twin Gestation
Diamniotic Monochorionic
Dichorionic Diamniotic
Monochorionic monoamniotic
Dichorionic Monoamniotic
ULTRASOUND