At what level of 0-HCG, normal pregnancy can be earliest detected by TVS (Trans vaginal USG):
Ans-B (1000 IU/ml) Gestational age and fetal structures identified by Transvaginal Sonography (TVS)Menstrual age (weeks)Fetal structures4Choriodecidual thickness, chorionic sac.5Gestation sac,Yolk sac.6Fetal pole, cardiac activity7Lower limb buds, midgut herniation (physiological)8Upper limb buds, stomach9Spine, Choroid plexusFirst Trimester UGWParametersb-HC level (maternal Gastational sac by TVS 1000-1200 mIU/ml Gastational sac by TAS 6000 mIU/ml Yolk sac 7000 mIU/ml Embryo 11,000 mIU/ml
500 IU/ml
1000 lU/mi
1500 IUml
2000 lU/ml