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Oocyte cryobank catalog

Frozen donor eggs can be stored in a cryobank for years and remain usable. This has been proven by numerous scientific studies. When using frozen germ cells, the likelihood of complications during pregnancy and health problems in the unborn child does not increase. The risks are no higher than with conventional IVF.

Donors are young (18-35 years old) women of good appearance and normal build. All of them underwent a strict medical examination and received opinions from a therapist, cardiologist, gynecologist, psychiatrist and geneticist about the possibility of participating in donor programs. The female egg donors presented in the catalog undergo the same examination as participants in IVF programs, and it includes more than 30 tests and studies.

You can choose from questionnaires and photographs of donors.

  1. Oocyte donors without letter designations,
  2. Oocyte donors with genetics icon and “NEW”.
  3. Oocyte donors with the genetics icon, but WITHOUT the “NEW” icon.

Oocyte donors without letter designations: Full examination in accordance with the Order of the Russian Federation (107-n, 803-n), including:

karyotyping, blood tests for viruses (HIV, syphilis, hepatitis B, C), gynecological smears, ECG, FLG, certificates of absence of observation in the PND and narcological clinic, appointment and consultation with doctors: gynecologist-reproductologist, geneticist, therapist.

Oocyte donors with the genetics icon and “ NEW ” , donors who have undergone extensive screening for 19 hereditary diseases.

Genetics Research Panel

The study reveals the presence of recessive mutations in genes associated with 19 of the most common monogenic diseases:

  • Spinal muscular atrophy
  • Congenital fructose intolerance
  • Wilson-Konovalov disease
  • Cystic fibrosis
  • Congenital adrenal hyperplasia (CAH)
  • Leukoencephalopathy involving the brainstem and spinal cord and increased lactate concentrations
  • Smith-Lemli-Opitz syndrome
  • Galactosemia
  • Hearing loss
  • Tay-Sachs disease
  • Mucopolysaccharidosis, type I
  • Phenylketonuria
  • Congenital disorder of glycosylation, type Ia
  • Diastrophic dysplasia
  • Schimke immunoosseous dysplasia
  • Usher syndrome type 2a
  • Polycystic kidney disease with or without polycystic liver disease, type 4
  • Syndrome of multiple congenital anomalies, hypotension and seizures, type I
  • Neuronal ceroid lipofuscinosis

Oocyte donors with a genetics icon, but WITHOUT “ NEW ” icon , are donors who have undergone screening only:

  • spinal muscular atrophy
  • cystic fibrosis

Number of donors in the section: 52

Catalog of oocyte cryobank: who needs donor eggs

There are banks or cryogenic storage facilities for reproductive cells in many large Russian cities. As a rule, they work on the basis of Family Planning and Human Reproduction Centers or at clinics of the corresponding profile. Thanks to cryopreservation (rapid freezing in liquid nitrogen) and the Internet, the choice of donors has expanded and the process of acquiring eggs has become simpler. If certain conditions are met, frozen germ cells are delivered from St. Petersburg to medical institutions located in the regions of the country within a few days, and you can choose a suitable donor without leaving your home using the oocyte cryobank catalog.

Donor eggs help couples and single women who are able to bear a child overcome infertility. For in vitro fertilization, they are used in the absence, dysfunction and other pathologies of the ovaries, natural menopause, the risk of inheriting a serious disease, as well as in the case of several unsuccessful IVF with one’s own oocytes.

Features of cryopreserved eggs

The main feature is that they can be stored for years and used when and where needed. Scientists were not immediately able to find the optimal freezing regime - in the first experiments, which began more than 30 years ago, eggs after defrosting in the vast majority of cases lost their ability to fertilize due to structural changes. Vitrification helped preserve female reproductive cells in an unchanged state, i.e. instant freezing of the egg along with a cryoprotector (a mixture of organic compounds based on glycerin, which does not freeze at low temperatures, but remains amorphous, like glass). By displacing water from the egg, the cryoprotector thereby protects it from destruction by ice crystals. When defrosted, the cryoprotector is removed, the egg returns to its natural state, and in more than 80% of cases, its fertilization is successful.

In an oocyte cryobank, frozen eggs are stored in small labeled tubes, which in turn are placed in Dewar flasks filled with liquid nitrogen (its temperature is 196 degrees Celsius).

Selecting a donor from the egg cryobank catalog

Choosing a donor for many parents is a task with many unknowns, which can be solved by the oocyte cryobank catalog, which contains the most complete information about each woman who donated eggs. As a rule, parents are interested in the candidate’s appearance - face type, hair color, eyes, height, weight, etc. Filters - basic and advanced, as well as a questionnaire with data on character, habits, education and answers to questions compiled by experts will help to facilitate the search and save time. The anonymity of the donor will not prevent future parents from seeing current photos and videos, as well as photos of the woman’s own children - some donors gave consent to this.

Embrybank guarantees

Future parents and the oocyte donor interact through Embrybank specialists and do not receive information about each other. The donor signs a consent to transfer his own biomaterial and loses any rights to the eggs and to the children born. Parents, in turn, undertake not to search for a donor. Donation of germ cells in Russia is officially permitted and regulated by Order of the Ministry of Health of the Russian Federation dated July 31, 2020 No. 803n “On the procedure for using assisted reproductive technologies, contraindications and restrictions on their use,” which came into force on January 1, 2021.