ART Gallery

Oocyte with gigant polar body

Oocyte with gigant polar body

Oval-shaped oocyte

Oval-shaped oocyte at MI

Zona-free embryo on day 4

Zona-free morula on day 4. 

Zona-free embryo on day 3

Zona-free embryo on day 3.

Zona-free embryo on day 2

Zona-free embryo on day 2.

Zona-free oocyte

First polar body was lost during enzymatic clearing of cumulus cells.

Cytoplasmic division

One-cell zygote dividing into two blastomeres durimg the first cleavage.

very big polar body

very big polar body out of embryo

blastocyst with flower inside

blastocyst with flower inside:) and a patient is  6 months pregnant!

Thick zona pellucida

a fertilized oocyte with very thick zona pellucida

Abnormal fertilization

Multiple pronuclei in an inseminated zona-free human oocyte

Human Empty zona-cumulus-corona cell complex

Empty zona surrounded by cumulus mass

Multipronucleate embryo with no polar body

This embryo was fertilized by conventional insemination. 3PN were observed however there was no sign of a polar body.

Hatching

Day 6 hatching blastocyst

Atretic Oocyte

Atretic oocyte

Hatched Blastocyst

Blastocyst on day 7 with empty zona