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RISUG is an injectable male contraceptive vas-occlusive gel that has been in development in India since the 1970s, [144] [145] and has shown high effectiveness at pregnancy prevention in multiple clinical trials through Phase III in India, [146] [147] [148] though the results of the largest phase III study were published in a questionably peer ...
Luteal support is the administration of medication, generally progesterone, progestins, hCG or GnRH agonists, to increase the success rate of implantation and early embryogenesis, thereby complementing and/or supporting the function of the corpus luteum. It can be combined with for example in vitro fertilization and ovulation induction.
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.
Progesterone is used as part of hormone replacement therapy in people who have low progesterone levels, and for other reasons. For purposes of comparison with normal physiological circumstances, luteal phase levels of progesterone are 4 to 30 ng/mL, while follicular phase levels of progesterone are 0.02 to 0.9 ng/mL, menopausal levels are 0.03 to 0.3 ng/mL, and levels of progesterone in men ...
[92] [122] However, oral progesterone achieves very low progesterone levels and has relatively weak progestogenic effects, which might be responsible for the absence of increase in VTE risk. [122] Parenteral progesterone, such as vaginal or injectable progesterone, which can achieve luteal-phase levels of progesterone and associated ...
Progestogen-only pills", "Progestin-only pills", and "Progesterone-only pills" are terms each referring to the same class of synthetic hormone medications. The phrase "Progestogen-only pill" is used by the World Health Organization and much of the international medical community. [ 7 ]
Birth control, also known as contraception, anticonception, and fertility control, is the use of methods or devices to prevent pregnancy. [1] [2] Birth control has been used since ancient times, but effective and safe methods of birth control only became available in the 20th century. [3]
Levonorgestrel is a progestogen; that is, an agonist of the progesterone receptor (PR), the main biological target of the progestogen sex hormone progesterone. [4] It has effects similar to those of the hormone progesterone. [7] As a contraceptive, it works primarily by preventing ovulation and closing off the cervix to prevent the passage of ...