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  2. Transvaginal oocyte retrieval - Wikipedia

    en.wikipedia.org/wiki/Transvaginal_oocyte_retrieval

    Once the extraction is done, the sample is analyzed in the microscope to select and carry out the oocyte decumulation, a process where the granulosa cells surrounding the oocyte are removed. Initially performed using transabdominal ultrasonography , TVOR is currently performed with a transvaginal ultrasound transducer with an attached needle. [ 2 ]

  3. Preimplantation genetic diagnosis - Wikipedia

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

    Considerations include the high probability of developing the disorders and the potential for cures. For example, in predisposition syndromes, such as BRCA mutations which predispose the individual to breast cancer, the outcomes are unclear. Although PGD is often regarded as an early form of prenatal diagnosis, the nature of the requests for ...

  4. Somatic cell nuclear transfer - Wikipedia

    en.wikipedia.org/wiki/Somatic_cell_nuclear_transfer

    For example, to treat a man with Parkinson's disease, a cell nucleus from one of his cells would be transplanted by SCNT into an egg cell from an egg donor, creating a unique lineage of stem cells almost identical to the patient's own cells. (There would be differences. For example, the mitochondrial DNA would be the same as that of the egg donor.

  5. Pregnancy test - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_test

    Medical providers often struggle to 'rule out' pregnancy for medical testing or treatment that cannot be conducted during pregnancy before they can do an accurate urine pregnancy test. [ 25 ] More rare, false negative results can also occur due to a " hook effect ", where a sample with a very high level of hCG is tested without dilution ...

  6. Assisted reproductive technology - Wikipedia

    en.wikipedia.org/wiki/Assisted_reproductive...

    In zygote intrafallopian transfer (ZIFT), egg cells are removed from the woman's ovaries and fertilized in the laboratory; the resulting zygote is then placed into the fallopian tube. Cytoplasmic transfer is the technique in which the contents of a fertile egg from a donor are injected into the infertile egg of the patient along with the sperm.

  7. Robert Edwards (physiologist) - Wikipedia

    en.wikipedia.org/wiki/Robert_Edwards_(physiologist)

    In 1968 he was able to achieve fertilisation of a human egg in the laboratory and started to collaborate with Patrick Steptoe, a gynaecological surgeon from Oldham. Edwards developed human culture media to allow the fertilisation and early embryo culture, while Steptoe used laparoscopy to recover ovocytes from patients with tubal infertility .

  8. Intracytoplasmic sperm injection - Wikipedia

    en.wikipedia.org/wiki/Intracytoplasmic_sperm...

    Depending on the total amount of spermatozoa in the semen sample, either low or high, it can be just washed or capacitated via swim-up or gradients, respectively. A medical animation still showing the ICSI procedure. The procedure is done under a microscope using multiple micromanipulation devices (micromanipulator, microinjectors and ...

  9. Reproductive system - Wikipedia

    en.wikipedia.org/wiki/Reproductive_system

    The reproductive system of an organism, also known as the genital system, is the biological system made up of all the anatomical organs involved in sexual reproduction.Many non-living substances such as fluids, hormones, and pheromones are also important accessories to the reproductive system. [1]

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