Ffc. I-5kl jKnt (anrm) ot a marę inmufaldy after mat-fiw The ulcnnc lumen coMams bypoecfooic semen słńdi b tpccUed wjtb floccular rcflectiom.
Fig, 1.5Ł literał on D» 9 of pregnancy (Dę 0 = Das ot 5 mm and hes centralK in ibe barn (anons).
Fig. 1-53: Conceptus on Day 11 of pregnancy. The anechoic embryonic vesicle shows the typical specu lar reflections where the sound wayes impact vertically onto its front and back walls. Its diameter measures 9 mm,_I I H
Fig. 1.54: Conceptus on Day 14 of pregnancy. The spherical embryonic vesicle lies centralły in the uterine hom and meas-ures 15 mm in diameter.