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Why do i have to trash this??
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So much information on this thread is also just wrong. Like the comment or above said you can keep your vials and my doctor told me to as well. In my experience, Estradiol doesn’t go bad very quickly if you keep it sterile (you look at the color and throw it away if it gets cloudy or changes color). Keep it out of sunlight and follow the package instructions for a cool and dry place.
As for it being sterile, it is important that you do the drawing out of the vial properly. Make sure it is a sterile needle, and that you use a small enough needle gauge (I have had the best of luck between 23g and 25g) so that you do not core your vial (little rubber pieces that fall in). Putting the needle in at an angle also helps. When you pull it out the rubber stopper is supposed to be self sealing. As another comment said you can also wipe the top with an alcohol wipe before drawing. If you are having issues with the process I would see if you can get an appointment for someone at planned parenthood to show you.
Also the month expiration is just what was tested as safe, they didn’t actually test what the maximum is as it is for the manufacturers liability, so at the end of the day it’s your decision