Lo
Loestrin™ Fe (norethindrone/ethinyl estradiol) is an
oral contraceptive (
birth control pill) approved for preventing pregnancy. This particular birth control pill offers women a very low dose of hormones while still providing excellent protection from pregnancy.
Who Makes This Medication?
Lo
Loestrin Fe is made by Warner Chilcott Company, LLC.
How Does Lo Loestrin Fe Work?
Lo Loestrin Fe is a combination oral contraceptive that contains an estrogen and a progestin.
The drug primarily prevents pregnancy by stopping ovulation (the maturation and release of eggs from the ovaries).
However, it also prevents pregnancy in two other, minor ways. Lo Loestrin Fe alters the cervical mucus (the fluid of the cervix, which is the lower, narrow part of the uterus that is connected to the vagina), making it more difficult for sperm to enter the uterus. The drug also alters the lining of the uterus (the endometrium), making it less receptive to an embryo.
The first 24 tablets in each pack of Lo Loestrin Fe contain both of the active hormones. The next two tablets contain only the ethinyl estradiol (estrogen) hormone. The last two tablets do not contain any active hormones, but they do contain iron. The iron might possibly help prevent anemia that could occur due to blood loss during a woman's period, although it is questionable if taking iron two days a month really makes any difference.
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