Why are IVF needles so long?

The oocyte retrieval needle is very long because it has to pass through the vaginal wall. Under the guidance of vaginal B-ultrasound, the ovaries are punctured and retrieved, because the ovaries are close to the vaginal wall, and the whole process is to enter the vaginal wall.

IVF is ovum retrieval under general anesthesia, but when the patient is preparing, he will be very scared when the ovum retrieval needle may be so long. The ovum retrieval needle is very long because it has to pass through the vaginal wall. Under the guidance of puncture and egg retrieval, because the ovary is close to the vaginal wall, the whole process is to enter the vaginal wall.

The length of the vagina itself is about 10-12 cm, and the needle of the vaginal probe should occupy 10-12 cm. The doctor also needs to give the doctor a distance when operating, so the needle should have a certain length outside. The ones that can really enter the pelvic cavity are only so long that they enter the ovaries, so there is no need to worry too much about such a long needle being punctured after it goes in.

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