Anomalies

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

Submitted by:
Andrei Rybouchkin

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Image of a day 2 grossly fragmented embryo within which a miniature form of a zona pellucida is visible. All the eggs of the patient had the same anomaly.

Submitted by:
Ali, Jaffar

Details:
Conventional fertilization. After shucking on Day 1 revealed a 2 PN and a GV in 1 zona.

Submitted by:
Liz Sanders

Details:
 20 mature oocytes collected from the same patient.  Inside one of the cumulus cells this matrix captured without hyase procedure.  

Submitted by:
Koray YILDIZ, Aysin AKINCI, Bilal YALCIN, Muhterem AKDENIZ

Details:
Vacuolized mature oocyte after pickup. Most of the retrieved oocytes presented this aspect. After embryo transfer, the patient got pregnant.

Submitted by:
Miguel Fernandez

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Human sperm with ring-like appearance. 1. The tail encircles the head. 2. In some sperm, the tip is fused to a pinhead to form "rings". 3. A shorter tail forming a smaller loop resembles the "Dag" axo

Submitted by:
Prof. Philip J. Chan

Details:
We were stripping five oocytes for ICSI, when suddenly they stuck to each other. We could not split them apart.

Submitted by:
Maria Urbina

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Abnormal inmature oocyte retrieved with two germinal vesicles. The egg, after incubation, matured to metaphase I stage, but could not mature to metaphase II stage.

Submitted by:
Miguel Fern?ndez

Details:
2PN zigota 20 hours after insemination

Submitted by:
Paul

Details:
Apoptotic oocyte cumulus complex following 5 days coasting.

Submitted by:
Ersan Donmez