Search results
Results from the WOW.Com Content Network
Several things can cause postmenopausal bleeding, and a common one is vaginal dryness. Tang says the vagina can get easily irritated, which can lead to spotting. Polyps can also cause bleeding ...
Progesterone (P4), sold under the brand name Prometrium among others, is a medication and naturally occurring steroid hormone. [20] It is a progestogen and is used in combination with estrogens mainly in hormone therapy for menopausal symptoms and low sex hormone levels in women.
At high doses, progestogens can cause low sex hormone levels and associated side effects like sexual dysfunction and an increased risk of bone fractures. [3] Progestogens are agonists of the progesterone receptors (PRs) and produce progestogenic, or progestational, effects. [1]
Estrogen can also reduce vaginal atrophy and increase sexual arousal, frequency and orgasm. [22] The effectiveness of hormone replacement can decline in some women after long-term use. [22] A number of studies have also found that the combined effects of estrogen/androgen replacement therapy can increase libido and arousal over estrogen alone. [22]
The side effects of cyproterone acetate (CPA), a steroidal antiandrogen and progestin, including its frequent and rare side effects, have been studied and characterized.It is generally well-tolerated and has a mild side-effect profile, regardless of dosage, when it used as a progestin or antiandrogen in combination with an estrogen such as ethinylestradiol or estradiol valerate in women.
"In some women, taking outside progesterone, or what we call 'exogenous progesterone,' either in the form of birth control or for other reasons, can sometimes cause your immune system to become ...
[125] [126] [44] In addition, progesterone can be hydroxylated in the liver by other cytochrome P450 enzymes which are not steroid-specific. [127] 6β-Hydroxylation, which is catalyzed mainly by CYP3A4, is the major transformation, and is responsible for approximately 70% of cytochrome P450-mediated progesterone metabolism. [127]
The main biological role of progestogens in the body is in the female reproductive system, and the male reproductive system, [19] with involvement in regulation of the menstrual cycle, maintenance of pregnancy, and preparation of the mammary glands for lactation and breastfeeding following parturition in women; in men progesterone affects ...