A complex series of procedures used to help with fertility issues and prevent genetic problems, and assist with the conception of a child, In vitro fertilization (IVF) collects mature eggs from ovaries, fertilized by sperms and retrieves them in a lab.
Then the fertilized egg (embryo) or eggs (embryos) are transferred to a uterus. A full cycle of IVF takes about three weeks, sometimes the steps are split into different parts and the process may take longer.
One may go in for Intrauterine Insemination (IUI) in the following cases:
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After choosing an IVF treatment, patients are advised to attend our hospital for preliminary investigations during the 18th – 21st day of their cycle for:
During this period, the patient is advised to work closely with the fertility specialist who will explain the treatment plan and the proposed medications, financial implications, etc. They may also stay in touch with the doctor for doubts and clarifications.
The patients are also advised to give consent forms separately for IVF, embryo freezing and micro manipulation before starting their IVF treatment.
After initial counseling and preliminary investigations the patient will be asked to report to the hospital for starting the treatment. The patient will have to come between the 18th and 21st day of their cycle.
An ultrasound examination will be done to evaluate mid cycle development of the uterine lining and a trial embryo transfer to determine the direction and length of the uterine cavity.
Hormonal drugs are given over a period of 10 to 12 days from Day 2 by Dr. Mala Raj. During this procedure, the growth of the ovarian follicles is assessed by means of ultrasound scanning. Blood samples are also drawn to measure the estrogen and LH levels. If estrogen and LH levels are not satisfactory and the follicular growth is not optimum, then treatment will be stopped.
During the process of superovulation, transvaginal ultrasound examination will be done. This procedure is not painful and the patient may experience some vaginal discharge as transmission gel is used on the vaginal probe. It is very important for patients to come to the hospital on time in the morning so that the lab results will be available for the doctor to review the results early in the afternoon.
By this the exact date and time will be determined for harvesting the eggs. When the ovarian follicles mature to the maximum size, the patient is given an HCG injection for maturing the eggs. Before ovulation takes place, the eggs will be retrieved.
On the day of egg retrieval, the husband should provide semen sample through masturbation. The sperms will be separated from the seminal plasma and washed to inseminate the eggs. An optimum number of spermatozoa will be placed with each egg in a separate dish containing IVF media. In the case of ICSI, the sperm will be injected inside the egg.
The eggs and the sperms will be kept in a Co2 incubator at 37 degree Celsius. Normally it would take about 18 hours for fertilization. Later, the embryo divides into two cells and further into four and eight cells. After 48 hours of incubation, the embryos will be ready for transfer into the uterus.
The patient will be informed about the time and date of embryo transfer. The embryo transfer is a simple procedure and no anaesthesia is used normally. The embryos are transferred with a catheter along with a few drops of culture media. The entire procedure takes about 10-20 minutes.
During the procedure, a speculum is introduced into the vagina and a catheter is passed into the cervical canal and the embryos are placed into the uterus. The embryologist then examines the catheter under a microscope to make sure that all the embryos were transferred. Following the embryo transfer, we keep the patient in the hospital for 24 hours for extra safety. At home, the patient has to take rest for the next 2 weeks, and should get up only to use the bathroom.
Following the transfer, some patients may experience a small quantity of blood like fluid or air from the vagina. The Progesterone tablets should be continued until the pregnancy test is done. These tablets should be introduced deeply into the vagina, for them to dissolve and for absorption to take place.
A Quantitative ß HCG pregnancy test will be done after 14 days of embryo transfer. Blood will be drawn from patients between 8.30 am and 11.00 am and serum will be tested for HCG.
Most of the tests will either reveal positive or negative. However, in some patients we see a test that is weakly positive. Such results are usually seen in the following conditions.
In such cases, a second test will be carried out to determine whether or not the pregnancy is progressing. If the pregnancy is positive, usage of Progesterone tablets should be continued. After 14 days of pregnancy tests, ultrasound scanning will be done to determine the status of the pregnancy. Single or twin pregnancy, etc.