Anomalies

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Nomarski optic micrographs of the round-headed human spermatozoa

Submitted by:
Andrei Rybouchkin

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Joined oocytes

Submitted by:
Marc Portmann

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These embryos showed 3 pronuclei after ICSI procedure.

Submitted by:
Liz Sanders

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2PN zigota 20 hours after insemination

Submitted by:
Paul

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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

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

Submitted by:
Loredana Papale

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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

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Apoptotic oocyte cumulus complex following 5 days coasting.

Submitted by:
Ersan Donmez

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

Submitted by:
Maria Urbina