Fig. l.lfl: Transvagjnal sonographic puncture of an estrous foUichs of a fitiiffc foflowcd by the aipiration of the follicular fluid. The puncture needle can be ncen between the two guid-mg iinei and reache* approxtmatcly 3 cm into the follicular ant rum.
Fig. 1.19: Ultrasonogram depicting the hemorrhage (between the dots) into a follicle 3 minutes after a puncture had been perfonmed. The real time image clearly showed turbu-lenccs (arrow) inside the accumulated blood illustrating the inflow of morę blood.
Fig. 1.20: Corpus luteum (arrows) which developed at the site of a follicle that had been punctured 4 days previous!y.