Fig. 1.78: Twin pregnancy on Day 39. The two embryonic Fig. 1.79: Twin pregnancy on Day 129. The trunks of two fe-
vesides lie next to each other and are visible on the same tuses Ile next to each other. The echoes produced by the cross
ułtrasonogram. sections of the ribs (arrows) of both fetuses can be scen.
Fig. Ł80; Instrumentation for transvaginal sonography, including the automated puncture device (Labotect, Góttingen. Germany). Devices for adjustment and triggermg of the automated puncture are situated on the left aspect of the handle. The scan-ning head (arrow) of the vaginal probe (Siemens, Erlangen, Germany) is pushed up to the crantal yaginal wali. Above the tubę for the probe is the channel with the puncture needle.