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  2. Embryo quality - Wikipedia

    en.wikipedia.org/wiki/Embryo_quality

    Number of cells and division rhythm: The optimal number of cells is 4 at day 2 and 8 at day 3 (A quality). In day 3 9-10 cells is B, >=10 is C (suboptimal) and <=4 is D (barely implant). A normal division rate is to double cell number each 24 hours. A higher rate implies chromosomal abnormalities and a lower rate entails possible embryo arrest ...

  3. In vitro fertilisation - Wikipedia

    en.wikipedia.org/wiki/In_vitro_fertilisation

    The SART summarised 2008–9 success rates for US clinics for fresh embryo cycles that did not involve donor eggs and gave live birth rates by the age of the prospective mother, with a peak at 41.3% per cycle started and 47.3% per embryo transfer for patients under 35 years of age.

  4. In vitro maturation - Wikipedia

    en.wikipedia.org/wiki/In_vitro_maturation

    The maturation rate correlated with the age of patient and duration of IVM. With the 8 couples with embryo cryopreservation, there was a 65% fertilisation rate. At least one good quality day 3 embryo was cryopreserved in 7/8 couples.

  5. Pregnancy rate - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_rate

    Pregnancy rate is the success rate for getting pregnant.It is the percentage of all attempts that leads to pregnancy, with attempts generally referring to menstrual cycles where insemination or any artificial equivalent is used, which may be simple artificial insemination (AI) or AI with additional in vitro fertilization (IVF).

  6. Embryo culture - Wikipedia

    en.wikipedia.org/wiki/Embryo_culture

    Embryos which reach the day 3 cell stage can be tested for chromosomal or specific genetic defects prior to possible transfer by preimplantation genetic diagnosis (PGD). Embryo culture until the blastocyst stage confers a significant increase in live birth rate per embryo transfer , and there is no evidence of a difference between the groups in ...

  7. Embryo transfer - Wikipedia

    en.wikipedia.org/wiki/Embryo_transfer

    Embryo transfer can be done at day two or day three, or later in the blastocyst stage, which was first performed in 1984. [1] Factors that can affect the success of embryo transfer include the endometrial receptivity, embryo quality, and embryo transfer technique.

  8. Preimplantation genetic diagnosis - Wikipedia

    en.wikipedia.org/wiki/Preimplantation_genetic...

    Li and co-workers [53] found that 40% of the embryos diagnosed as aneuploid on day 3 turned out to have a euploid inner cell mass at day 6. Staessen and collaborators found that 17.5% of the embryos diagnosed as abnormal during PGS, and subjected to post-PGD reanalysis, were found to also contain normal cells, and 8.4% were found grossly normal ...

  9. Partner-assisted reproduction - Wikipedia

    en.wikipedia.org/wiki/Partner-assisted_reproduction

    The success rate of reciprocal IVF heavily depends on the age of the birth mother. For women under age 35, there is a 41-43% success rate. For women over 40, there is a 13-18% success rate. [21] As IVF is not always successful on the first attempt, it is important that couples understand that multiple cycles may be required to achieve a ...