Expectation - that the worst thing, according to a woman who at least once to try his luck in IVF. After all, despite the fact that this method has been around for over 30 years and has proved itself very well, the first attempt is rarely successful.
But not even this terrible waiting. Usually scares every stage: "All to be successful? Would not it be complications? And I, for example, was very interesting to see how the fertilized ovum... It is truly a miracle that build up almost genius.
"Big Wash"
About how the puncture of follicles, we have been told, now let's talk about what happens next? You will not believe, but then all processes are focused in the laboratory and are more like... "washing." And even if it was a joke, but embryologists tasks at this stage are as follows:
• Department of mature eggs;
• rinsing them from follicular fluid;
• maturation level evaluation;
• sending eggs in the incubator zygote maturation.
The search for "frisky" sperm
After all these procedures comes the turn of the men who usually delivers his sperm on the same day, when there is a fence of eggs in women. However, sometimes used and sperm donors. But in any case, it is also pre-treated: the sperm are washed away from the seminal fluid and then embryologists choose the most "frisky" (ie, mobile) sperm.
In vitro fertilization: how does it happen?
And that's where all prepared "materials", comes the most important moment: embryologists to begin "in vitro fertilization". It is usually carried out within 4-6 days after the follicle puncture. For this motile sperm is mixed with eggs and placed in an incubator, the conditions and the composition of the nutrient medium is as close to the conditions in the fallopian tubes.
The penetration of sperm into the egg takes a few hours. Further, the incubator follow the purification from heavy metals, proteins, salts, sugars, and the special buffer acidity - it promotes the growth and development of the embryo.
5-7 days after ovulation, doctors carry the fetus to the uterine cavity of the patient. If podsazhenny embryo develops properly, then he "sent" into the uterine endometrium. It occurs in about 6-10 days. However, we describe in detail in the next article, and discuss in detail about this on the fact that a woman can expect in the first days of pregnancy and how to make sure that it becomes a success!
