Search results
Results from the WOW.Com Content Network
Ovulatory disorders result in infrequent ovulation (Oligoovulation) or absent ovulation (anovulation) which causes infertility. The World Health Organisation (WHO) has classified anovulation into three main classes, which are hypogonadotropic hypogonadal anovulation (Class 1), normogonadotropic normoestrogenic anovulation (Class 2), and hypergonadotropic hypoestrogenic anovulation (Class 3).
Letrozole, sold under the brand name Femara among others, is an aromatase inhibitor medication that is used in the treatment of breast cancer for post-menopausal women. [ 1 ] It was patented in 1986 and approved for medical use in 1996. [ 4 ]
In the 1920s, Kyusaku Ogino, a Japanese gynecologist, and Hermann Knaus, from Austria, working independently, each made the discovery that ovulation occurs about fourteen days before the next menstrual period. [13] Ogino used his discovery to develop a formula for use in aiding infertile women to time intercourse to achieve pregnancy.
Ovarian stimulation with the aromatase inhibitor letrozole has been proposed for ovulation induction in order to treat unexplained female infertility. In a multi-center study funded by the National Institute of Child Health and Development, ovarian stimulation with letrozole resulted in a significantly lower frequency of multiple gestation (i.e., twins or triplets) but also a lower frequency ...
Aromatase inhibitors are a common fertility treatment to treat women with PCOS. A meta-analysis analyzing live birth rates for women with PCOS treated with clomiphene compared to letrozole found that letrozole resulted in higher live birth rates. [11] However, ovulation induction remains an off-label indication, which affects use.
Women who are known to be pregnant should not take combined oral contraceptive pills. Those in the postpartum period who are breastfeeding are also advised not to start combined oral contraceptive pills until 4 weeks after birth due to increased risk of blood clots. [40]
In case of amenorrhea, a period can be induced by intake of an oral progestin for 10 days. Daily administration of the ovulation induction regimen, starting on day 3, 4, or 5, [23] and it is usually taken for 5 days. [9] [24] Sexual intercourse or artificial insemination by the time of ovulation.
Combined hormonal contraception (CHC), or combined birth control, is a form of hormonal contraception which combines both an estrogen and a progestogen in varying formulations. [ 1 ] [ 2 ] The different types available include the pill , the patch and the vaginal ring , which are all widely available, [ 3 ] and an injection , which is available ...