Anomalies

Details:
Mono PN with isolated sperm in a vacuole

Submitted by:
Koray YILDIZ - Aysin AKINCI - Cihan GOKTAS

Details:
Normally fertilized egg with two PN in left side of z.p. and in the other side - totally imature egg at GV stage , derived from one follicule. After denudation 18h post conventional IVF procedure

Submitted by:
Tanya Milachich

Details:
This patient had 26 M2 oocytes in the OPU. The fertilization rate is 77%. 11/20 of the fertilized zygotes had no nucleoli. 2 had very small nucleoli. 

Submitted by:
Koray Yildiz- Cihan Halicigil

Details:
Nomarski optic micrographs of the round-headed human spermatozoa

Submitted by:
Andrei Rybouchkin

Details:
Joined oocytes

Submitted by:
Marc Portmann

Details:
2PN zigota 20 hours after insemination

Submitted by:
Paul

Details:
This oocyte shows an abnormal ZP brush-like. All oocytes of this patient ( 32 years old ) have this anomaly and only 1 out 12 fertilized by IVF but the embryo hasn't transferred because completely fr

Submitted by:
Loredana Papale

Details:
This embryo shows an oval and bilayered ZP, like an "hot-dog"

Submitted by:
Loredana Papale

Details:
Central granulated oocyte. Clinical pregnancy and implantation rates are lower than expected in cases with severe cenral cytoplasmic granulation. (Kahraman et al. Hum Rep. 15(11): 2390-93,2000)

Submitted by:
Necati Findikli

Details:
Apoptotic oocyte cumulus complex following 5 days coasting.

Submitted by:
Ersan Donmez