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Ovulation induction is a method used in IVF that stimulates ovulation. The main drug used for ovulation induction is clomifene and it has shown success with patients who do not ovulate or those with polycystic ovary syndrome. In addition, this method has minimal risk of ovarian hyperstimulation syndrome OHSS , though this risk increases when clomifene is used with a gonadotropin.

There are various expansions or additional techniques that can be applied in IVF, which are usually not necessary for the IVF procedure itself, but would be virtually impossible or technically difficult to perform without concomitantly performing methods of IVF. Preimplantation genetic screening PGS or preimplantation genetic diagnosis PGD has been suggested to be able to be used in IVF to select an embryo that appears to have the greatest chances for successful pregnancy.

However, a systematic review and meta-analysis of existing randomised controlled trials came to the result that there is no evidence of a beneficial effect of PGS with cleavage-stage biopsy as measured by live birth rate. PGS screens for numeral chromosomal abnormalities while PGD diagnosis the specific molecular defect of the inherited disease. Before the transfer of a pre-embryo back to a woman's uterus, one or two cells are removed from the pre-embryos 8-cell stage , or preferably from a blastocyst. These cells are then evaluated for normality.

Typically within one to two days, following completion of the evaluation, only the normal pre-embryos are transferred back to the woman's uterus. Alternatively, a blastocyst can be cryopreserved via vitrification and transferred at a later date to the uterus. In addition, PGS can significantly reduce the risk of multiple pregnancies because fewer embryos, ideally just one, are needed for implantation. Cryopreservation can be performed as oocyte cryopreservation before fertilisation, or as embryo cryopreservation after fertilisation.

The Rand Consulting Group has estimated there to be , frozen embryos in the United States in Or, if pregnancy occurred, they could return later for another pregnancy. Spare oocytes or embryos resulting from fertility treatments may be used for oocyte donation or embryo donation to another woman or couple, and embryos may be created, frozen and stored specifically for transfer and donation by using donor eggs and sperm. Also, oocyte cryopreservation can be used for women who are likely to lose their ovarian reserve due to undergoing chemotherapy. By , many centers have adopted embryo cryopreservation as their primary IVF therapy, and perform few or no fresh embryo transfers.

The two main reasons for this have been better endometrial receptivity when embryos are transferred in cycles without exposure to ovarian stimulation and also the ability to store the embryos while awaiting the results of pre-implantation genetic testing. The outcome from using cryopreserved embryos has uniformly been positive with no increase in birth defects or development abnormalities.

There may be leftover embryos or eggs from IVF procedures if the woman for whom they were originally created has successfully carried one or more pregnancies to term. With the woman's or couple's permission, these may be donated to help other women or couples as a means of third party reproduction. In embryo donation , these extra embryos are given to other couples or women for transfer with the goal of producing a successful pregnancy. The resulting child is considered the child of the woman who carries it and gives birth, and not the child of the donor, the same as occurs with egg donation or sperm donation.

Typically, genetic parents donate the eggs to a fertility clinic or where they are preserved by oocyte cryopreservation or embryo cryopreservation until a carrier is found for them.

Typically the process of matching the embryo s with the prospective parents is conducted by the agency itself, at which time the clinic transfers ownership of the embryos to the prospective parents. In the United States, women seeking to be an embryo recipient undergo infectious disease screening required by the U.

Food and Drug Administration FDA , and reproductive tests to determine the best placement location and cycle timing before the actual Embryo Transfer occurs. The amount of screening the embryo has already undergone is largely dependent on the genetic parents' own IVF clinic and process.

The embryo recipient may elect to have her own embryologist conduct further testing. Alternatives to donating unused embryos are destroying them or having them implanted at a time where pregnancy is very unlikely , [88] keeping them frozen indefinitely, or donating them for use in research which results in their unviability. Some people believe donation of leftover embryos for research is a good alternative to discarding the embryos when patients receive proper, honest and clear information about the research project, the procedures and the scientific values. Louise Brown was born as a result of natural cycle IVF where no stimulation was made.

Edwards was awarded the Nobel Prize in Physiology or Medicine in , the physiologist who co-developed the treatment together with Patrick Steptoe and embryologist Jean Purdy ; Steptoe and Purdy were not eligible for consideration as the Nobel Prize is not awarded posthumously. The second successful birth of a test tube baby occurred in India just 67 days after Louise Brown was born. Subhash Mukhopadhyay , a physician and researcher from Kolkata , India.

Adriana Iliescu held the record as the oldest woman to give birth using IVF and a donor egg, when she gave birth in at the age of 66, a record passed in After the IVF treatment some couples are able to get pregnant without any fertility treatments. In some cases, laboratory mix-ups misidentified gametes, transfer of wrong embryos have occurred, leading to legal action against the IVF provider and complex paternity suits.


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An example is the case of a woman in California who received the embryo of another couple and was notified of this mistake after the birth of her son. The HFEA , for example, requires clinics to use a double witnessing system, the identity of specimens is checked by two people at each point at which specimens are transferred.

Alternatively, technological solutions are gaining favour, to reduce the manpower cost of manual double witnessing, and to further reduce risks with uniquely numbered RFID tags which can be identified by readers connected to a computer. The computer tracks specimens throughout the process and alerts the embryologist if non-matching specimens are identified.


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  7. While PGD was originally designed to screen for embryos carrying hereditary genetic diseases, the method has been applied to select features that are unrelated to diseases, thus raising ethical questions. Examples of such cases include the selection of embryos based on histocompatibility HLA for the donation of tissues to a sick family member, the diagnosis of genetic susceptibility to disease, and sex selection.

    These examples raise ethical issues because of the morality of eugenics. It becomes frowned upon because of the advantage of being able to eliminate unwanted traits and selecting desired traits. By using preimplantation genetic diagnosis PGD or preimplantation genetic screening, individuals are given the opportunity to create a human life unethically and rely on science and not by natural selection. Jacob M. Appel wrote that "intentionally culling out blind or deaf embryos might prevent considerable future suffering, while a policy that allowed deaf or blind parents to select for such traits intentionally would be far more troublesome.

    Many people do not oppose the IVF practice itself i.

    Such individuals argue that the industry has now become a multibillion-dollar industry, which is widely unregulated and prone to serious abuses in the desire of practitioners to obtain profit. For instance, in , a California physician transferred 12 embryos to a woman who gave birth to octuplets see Suleman octuplets. This has made international news, and had led to accusations that many doctors are willing to seriously endanger the health and even life of women in order to gain money. Robert Winston, professor of fertility studies at Imperial College London, had called the industry "corrupt" and "greedy" saying that "One of the major problems facing us in healthcare is that IVF has become a massive commercial industry," and that "What has happened, of course, is that money is corrupting this whole technology", and accused authorities of failing to protect couples from exploitation "The regulatory authority has done a consistently bad job.

    It's not prevented the exploitation of women, it's not put out very good information to couples, it's not limited the number of unscientific treatments people have access to". As the science progresses, the industry is further driven by money in that researchers and innovators enter into the fight over patents and intellectual property rights.

    The Copyright Clause in the US Constitution protects innovator's rights to their respective work in attempts to promote scientific progress. Essentially, this lawful protection gives incentive to the innovators by providing them a temporary monopoly over their respective work. In the IVF industry, already incredibly expensive for patients, patents risk even higher prices for the patients to receive the procedure as they have to also cover the costs of protected works. For example, company 23andMe has patented a process used to calculate probability of gene inheritance.

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    Lack of economic competition leads to higher prices of products. The industry has been accused of making unscientific claims, and distorting facts relating to infertility, in particular through widely exaggerated claims about how common infertility is in society, in an attempt to get as many couples as possible and as soon as possible to try treatments rather than trying to conceive naturally for a longer time. This risks removing infertility from its social context and reducing the experience to a simple biological malfunction, which not only can be treated through bio-medical procedures, but should be treated by them.

    When it was first opening up in late s, early 80s, it was meant to be the last resort. Now it's a first resort.

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    I think that it can harm women in the long run. All pregnancies can be risky, but there are greater risk for women who are older and are over the age of The older the women the riskier the pregnancy. As women get older, they are more likely to suffer from conditions such as gestational diabetes and pre-eclampsia. If older women do conceive over the age of 40, their offspring may be of lower birth weight, and more likely to requires intensive care. Because of this, the increased risk is a sufficient cause for concern. The high incidence of caesarean in older mothers is commonly regarded as a risk.

    Though there are some risk with older women pregnancies, there are some benefits associated with caesareans.

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    A study has shown that births over 40 have a lower rate of birth trauma due to increased delivery by caesarean. Though caesarean is seen to benefit mothers over 40, there are still many risk factors to consider. Caesarean section may be a risk in the same way that gestational diabetes is. Women conceiving at 40 have a greater risk of gestational hypertension and premature birth. The offspring is at risk when being born from older mothers, and the risks associated with being conceived through IVF.

    Although menopause is a natural barrier to further conception, IVF has allowed women to be pregnant in their fifties and sixties. Women whose uteruses have been appropriately prepared receive embryos that originated from an egg of an egg donor.

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    Therefore, although these women do not have a genetic link with the child, they have a physical link through pregnancy and childbirth. In many cases the genetic father of the child is the woman's partner. Even after menopause the uterus is fully capable of carrying out a pregnancy. A statement from the ASRM found no persuasive evidence that children are harmed or disadvantaged solely by being raised by single parents, unmarried parents, or homosexual parents.

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    It did not support restricting access to assisted reproductive technologies on the basis of a prospective parent's marital status or sexual orientation. Ethical concerns include reproductive rights, the welfare of offspring, nondiscrimination against unmarried individuals, homosexual, and professional autonomy.

    A recent controversy in California focused on the question of whether physicians opposed to same-sex relationships should be required to perform IVF for a lesbian couple. Guadalupe T. Benitez, a lesbian medical assistant from San Diego, sued doctors Christine Brody and Douglas Fenton of the North Coast Women's Care Medical Group after Brody told her that she had "religious-based objections to treating her and homosexuals in general to help them conceive children by artificial insemination," and Fenton refused to authorise a refill of her prescription for the fertility drug Clomid on the same grounds.

    Nadya Suleman came to international attention after having twelve embryos implanted, eight of which survived, resulting in eight newborns being added to her existing six-child family. The Medical Board of California sought to have fertility doctor Michael Kamrava, who treated Suleman, stripped of his licence. State officials allege that performing Suleman's procedure is evidence of unreasonable judgment, substandard care, and a lack of concern for the eight children she would conceive and the six she was already struggling to raise.

    On 1 June the Medical Board issued a ruling that Kamrava's medical licence be revoked effective 1 July Some children conceived by IVF using anonymous donors report being troubled over not knowing about their donor parent as well any genetic relatives they may have and their family history. Alana Stewart, who was conceived using donor sperm, began an online forum for donor children called AnonymousUS in The forum welcomes the viewpoints of anyone involved in the IVF process. In the U.

    In , a website called Donor Sibling Registry was created to help biological children with a common donor connect with each other. In , a documentary called Anonymous Father's Day was released that focuses on donor-conceived children. During the selection and transfer phases, many embryos may be discarded in favour of others. This selection may be based on criteria such as genetic disorders or the sex.