What are the 5 stages of IVF?

What are the 5 stages of IVF?

Ejemplos de fecundación in vitro

La fecundación in vitro (FIV) es la unión del óvulo de una mujer y el espermatozoide de un hombre en un plato de laboratorio. In vitro significa por fuera del cuerpo. Fecundación significa que el espermatozoide se ha fijado y ha ingresado al óvulo.Descripción

Catherino WH. Endocrinología de la reproducción e infertilidad. En: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:cap 223.Choi J, Lobo RA. In vitro fertilization. En: Lobo RA, Gershenson DM, Lentz GM, Valea FA, eds. Comprehensive Gynecology. 7th ed. Philadelphia, PA: Elsevier; 2017:cap 43.Comité de Práctica de la Sociedad Americana de Medicina Reproductiva; Comité de Práctica de la Sociedad de Tecnología de Reproducción Asistida. Orientación sobre los límites del número de embriones a transferir: una opinión del comité. Fertil Steril. 2017;107(4):901-903. PMID: 28292618 pubmed.ncbi.nlm.nih.gov/28292618/.Tsen LC. Fecundación in vitro y otras tecnologías de reproducción asistida. En: Chestnut DH, Wong CA, Tsen LC, et al, eds. Chestnut’s Obstetrics Anesthesia. 6th ed. Philadelphia, PA: Elsevier; 2020:cap 15.

In vitro fertilization risks for the baby

The concepts of Artificial Insemination and In Vitro Fertilization are often misused. In reality, they are very different because in Artificial Insemination, the embryo is gestated inside the female genitalia, that is to say, it is a live fertilization.

Stimulation begins during the first days of menstruation and lasts between 8 and 11 days. During this time the growth of the follicles is monitored with ultrasound examinations to know when the follicles are mature and, therefore, when ovulation will occur.

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Once the oocytes are available, after performing the follicular puncture, and the sperm, either from the male partner or from a donor, the eggs are inseminated.

In Vitro Fertilization Steps

In Vitro Fertilization is a more advanced reproductive technique than Artificial Insemination because to carry out an IVF treatment it is necessary to have a medical laboratory with sufficient technology, as well as a biologist to unite an egg with a sperm.

Within the assisted reproduction techniques, IVF is indicated in: endometriosis, artificial insemination failure, male factor infertility, infertility of unknown origin and decreased ovarian reserve.

By administration of gonadotrophins and gnRH agonists or antagonists subcutaneously, intramuscularly, the combination of both and spray. The most common form is subcutaneous. With this medication, several follicles develop in both ovaries (controlled ovarian hyperstimulation).

Ultra-short protocol, short, long, with agonist, short with antagonists, all according to each particular case, since the personalization of the patient is one of the keys to success in the treatment.

In Vitro Fertilization Stages

At this stage it is advisable to consider whether a woman has the desire to have children and to evaluate the ovarian reserve by means of a hormonal analysis (antimullerian hormone, FSH, LH and estradiol) and an ultrasound with antral follicle count to report the probability of pregnancy.

It is therefore important to inform women about the fertile stages and the possibility of assisted reproductive techniques such as vitrification of their eggs for the near future, and thus, to have a better chance of having a child through treatment if necessary.

We hope that this new entry in our blog has helped you to solve your doubts about the 5 stages of fertile life, any questions, you have our team of fertility specialists requesting a free first medical visit.

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