IVF step by step

Contents

embryo development

IVF Step By Step – Health – Home

The in vitro fertilization procedure takes place in

several stages, each of which is very important.

Hormonal stimulation

The first stage of IVF is the stimulation of superovulation, in which not one follicle matures in the ovaries at a time, but up to 20. It is necessary in order to get a large number of eggs ready for fertilization.

Hormonal drugs that cause superovulation are administered at a strictly defined time in a strictly prescribed dosage prescribed by the doctor. As a rule, these are injections that make a special needle into the stomach. The procedure is quite simple, and usually it is done at home on their own. Such preparation can last from 8-10 days to one and a half months, depending on the course necessary for your body.

The process of follicular maturation is monitored by intravaginal ultrasound. The first is done on the 2-3 day of the menstrual cycle, the next – after five days, and then every day, so as not to miss the moment when the follicles reach the desired size (after 10-14 days). After they begin to prepare for their extraction, they prescribe the last dose of a hormonal preparation (chorionic gonadotropin) to mature the eggs and tell the exact date and time of the operation.

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Puncture

To get mature eggs, follicle puncture is done. The doctor inserts a special needle through the vagina, punctures the follicle and sucks the follicular fluid with eggs from it.

The procedure is prescribed 34-36 hours after the last injection of hormones. The entire operation takes place under anesthesia and is monitored by ultrasound. It is necessary to come on an empty stomach. 3-4 days before the puncture, conjugate duties should also be avoided, as sexual intercourse can provoke premature release of eggs.

After surgery, a woman may have pulling pains in the lower abdomen and spotting. If pain or bleeding intensifies, seek medical attention.

Immediately after the puncture of the follicles of the wife, the future father must pass the sperm. Until this moment, he needs to abstain for at least 2 days (but not more than a week), so that the quality of sperm is better.

For the time between puncture and transfer of eggs into the uterus, the patient is prescribed additional therapy, which will prepare her body for pregnancy legal a mulher que se tornou fisiculturista aos 63 anos.

Fertilization and the first days of embryo development

After the puncture, the follicular fluid gets to the embryologists, who, in fact, carry out “in vitro fertilization”. To begin with, they transfer the eggs (one in each well) into a bowl with a nutrient solution and place them in a special incubator, where conditions identical to those inside the mother’s body are maintained. There they are left for 4-6 hours, so that they adapt to the new environment.

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Meanwhile, sperm is undergoing preparation. It is washed in a special way and the best quality sperm are selected, provide them with the conditions for the process of capacitation (sperm maturation in the genital tract of a woman, after which they acquire the ability to merge with the egg).

follicular fluid

After preparation comes the most crucial moment – fertilization. A certain number of sperm cells is added to each egg, giving them the opportunity to independently reach the target. Normally, 60-70% of the eggs are fertilized. If everything went well, then the next morning, embryologists will already observe zygotes ready for division. They are cultivated for 48-120 hours, preparing to “move” into the mother’s body.

In the case when there are too few motile sperm in the sperm, the ICSI method (IntraCytoplasmic Sperm Injection) is used – the introduction of a healthy sperm directly into the egg using a microneedle. As a rule, fertilization and embryo development after ICSI are successful.

“Sitting down”

After 48-120 (depending on the state of the embryos) hours after fertilization, the embryos are transferred to the mother’s uterus. A special catheter is inserted into it, through which the “babies pltzlicher tod von bodybuilder ben hernett” are transferred. Embryos, consisting of literally several cells, are easily immersed in the folds of the endometrium, covering the inner walls of the uterus.

Usually 2-3 embryos are transferred – so there is a higher chance that at least one will take root. A larger number is fraught with multiple pregnancy, in which it is much more difficult to give birth to healthy full-term babies. If live embryos remain after replanting, they can be cryopreserved to be used in case of failure, rather than starting the whole procedure from the very beginning.

From the moment of transfer, it remains only to wait for the embryos to attach and continue to develop or not. According to statistics, the chance of conception on the first attempt with IVF is about 30%. The results can be judged no earlier than two weeks later. For this period, the patient is prescribed a sick leave, they recommend sexual rest and a sparing regimen, prescribing maintenance hormone therapy.

The presence of pregnancy is confirmed after 2 weeks by a blood test for hCG (human chorionic gonadotropin) and after 3 weeks using ultrasound. If the results are positive, then the woman may begin to get used to her new status as a future mother.

Everything that you wanted to know about IVF – in the program on women’s health “There are no forbidden topics”

IVF Step By Step – Health – Home

The in vitro fertilization procedure takes place in

several stages, each of which is very important.

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Hormonal stimulation

The first stage of IVF is the stimulation of superovulation, in which not one follicle matures in the ovaries at a time, but up to 20. It is necessary in order to get a large number of eggs ready for fertilization.

Hormonal drugs that cause superovulation are administered at a strictly defined time in a strictly prescribed dosage prescribed by the doctor. As a rule, these are injections that make a special needle into the stomach. The procedure is quite simple, and usually it is done at home on their own. Such preparation can last from 8-10 days to one and a half months, depending on the course necessary for your body.

The process of follicular maturation is monitored by intravaginal ultrasound. The first is done on the 2-3 day of the menstrual cycle, the next – after five days, and then every day, so as not to miss the moment when the follicles reach the desired size (after 10-14 days). After they begin to prepare for their extraction, they prescribe the last dose of a hormonal preparation (chorionic gonadotropin) to mature the eggs and tell the exact date and time of the operation.

follicular fluid

Puncture

To get mature eggs, follicle puncture is done. The doctor inserts a special needle through the vagina, punctures the follicle and sucks the follicular fluid with eggs from it.

The procedure is prescribed 34-36 hours after the last injection of hormones. The entire operation takes place under anesthesia and kroppsbyggande skador bodybuilding is monitored by ultrasound. It is necessary to come on an empty stomach. 3-4 days before the puncture, conjugate duties should also be avoided, as sexual intercourse can provoke premature release of eggs.

After surgery, a woman may have pulling pains in the lower abdomen and spotting. If pain or bleeding intensifies, seek medical attention.

Immediately after the puncture of the follicles of the wife, the future father must pass the sperm. Until this moment, he needs to abstain for at least 2 days (but not more than a week), so that the quality of sperm is better.

For the time between puncture and transfer of eggs into the uterus, the patient is prescribed additional therapy, which will prepare her body for pregnancy.

Fertilization and the first days of embryo development

After the puncture, the follicular fluid gets to the embryologists, who, in fact, carry out “in vitro fertilization”. To begin with, they transfer the eggs (one in each well) into a bowl with a nutrient solution and place them in a special incubator, where conditions identical to those inside the mother’s body are maintained. There they are left for 4-6 hours, so that they adapt to the new environment.

Meanwhile, sperm is undergoing preparation. It is washed in a special way and the best quality sperm are selected, provide them with the conditions for the process of capacitation (sperm maturation in the genital tract of a woman, after which they acquire the ability to merge with the egg).

After preparation comes the most crucial moment – fertilization. A certain number of sperm cells is added to each egg, giving them the opportunity to independently reach the target. Normally, 60-70% of the eggs are fertilized. If everything went well, then the next morning, embryologists will already observe zygotes ready for division. They are cultivated for 48-120 hours parodie na kmotra, preparing to “move” into the mother’s body.

In the case when there are too few motile sperm in the sperm, the ICSI method (IntraCytoplasmic Sperm Injection) is used – the introduction of a healthy sperm directly into the egg using a microneedle. As a rule, fertilization and embryo development after ICSI are successful.

“Sitting down”

After 48-120 (depending on the state of the embryos) hours after fertilization, the embryos are transferred to the mother’s uterus. A special catheter is inserted into it, through which the “babies” are transferred. Embryos, consisting of literally several cells, are easily immersed in the folds of the endometrium, covering the inner walls of the uterus.

Usually 2-3 embryos are transferred – so there is a higher chance that at least one will take root. A larger number is fraught with multiple pregnancy, in which it is much more difficult to give birth to healthy full-term babies. If live embryos remain after replanting, they can be cryopreserved to be used in case of failure, rather than starting the whole procedure from the very beginning.

From the moment of transfer, it remains only to wait for the embryos to attach and continue to develop or not. According to statistics, the chance of conception on the first attempt with IVF is about 30%. The results can be judged no earlier than two weeks later. For this period, the patient is prescribed a sick leave certificate, sexual rest and a sparing regimen are recommended, maintenance hormone therapy is prescribed.

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The presence of pregnancy is confirmed after 2 weeks by a blood test for hCG (human chorionic gonadotropin) and after 3 weeks using ultrasound. If the results are positive, then the woman may begin to get used to her new status as a future mother.

Everything that you wanted to know about IVF – in the program on women’s health “There are no forbidden topics”

4 years ago