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
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)