ویدیوهای برتر
How To Insert a Female Diaphragm for Birth Control
Scott
8,257 بازدیدها • پیش 2 سال ها
To use the diaphragm, first cover the inside of it with spermicide. Then insert it into your vagina so that it covers your cervix. You can insert the diaphragm up to 6 hours before sex. You should leave it in for at least 6 hours after the last time you have sex.
Open Heart Surgery
Doctor
92,870 بازدیدها • پیش 2 سال ها
Open heart (coronary artery bypass, or CABG) surgery is performed in order to reroute, or "bypass," blood around blocked arteries, thereby improving the supply of oxygen-rich blood to the heart. Surgeons usually use an artery from the chest wall to construct the "detour" around the blocked part of the artery. Veins from the legs are also used.
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