PGS results at AVA-Peter

Materials and methods

November 2012 — April 2014

  • 97 PGS cases in 83 patients
  • 397 embryos on day 5/6 (1—16 embryos per patient, in average — 4.1 embryos/patient)
  • All embryos frozen via vitrification immediately after biopsy
  • Transfers of frozen-thawed embryos, euploid for 23 chromosome pairs took place in subsequent cycles (not in the egg collection cycles) aCGH 24Sure (BlueGnome, UK)

PGS results via aCGH  method

Number of planned PGS aCGH cycles


Number of cancelled PGS cycles due to having no blastocysts for biopsy


Number of performed PGS aCGH cycles


No embryo transfer took place, because all embryos abnormal

27 cycles (27.8%), out of which 19 cycles only 1-2 blastocysts available fro PGS



Quantity of transferred embryos

59 (43 “SET” (84.3%) + 8 DET (15.7%)

General group (HCG+/ET  CP/ET)

31/51 (60.8%)   

28/51 (54.9%)

October 24, 2013 — The first child born after PGS aCGH at AVA-Peter!

“…When I left the clinic and walked down the Nevsky Prospect I knew I was pregnant — and the feeling was right! 9 month after her visit at the AVA Clinic Alexander was born!”

Ewa and Sten

“Three times I went to Russia to pick up some eggs. Six embryos tested by PGS and one was good ))) This little embryo was born when I was 44 and the egg they used was from me when I was 43…”


“…I am a single woman and when one is lonely, one is very sensitive…You saw me as a person and I felt that you can help me…”



Having questions? Ask our doctors now!

A blog by Tone Bråten

A blog — to help you on your journey to become parents!

Our patients tell their stories

  • Willeke and Mario from Netherlands come to AVA-Peter for egg donation treatment… Enjoy this touching and sincere documentary by Jorien van Nes