منابع مشابه
Progestogen-only Injectable Contraceptives
Depo-Provera® is depot medroxyprogesterone acetate (DMPA) aqueous suspension 150 mg in 1 ml formulated for deep IM injection. [2] This is most commonly used. Sayana Press® is DMPA 104 mg in 0.65 ml formulated for SC injection first licensed in the UK in 2011. [3] It is bio-equivalent to Depo-Provera®. It may be preferable to Depo-Provera® in women on anticoagulants or with a bleeding disorder. ...
متن کاملOral Contraceptives Containing Only
Oral contraceptives containing only a progestogen have had a chequered career. In 1965 trials in Latin America showed that very small amounts of a progestogen, chlormadinone acetate, when given without any added oestrogen had a strong antifertility effect. Not all progestogens are suitable for use alone. Indeed with norethynodrel, the progestogen most commonly used in the late 1960s, the amount...
متن کاملCombined Estrogen–progestogen Contraceptives
Combined hormonal contraceptives consist of an estrogen and a progestogen, and act primarily by preventing ovulation through the inhibition of the follicle-stimulating hormone and luteinizing hormone. The progestogen component also renders the cervical mucus relatively impenetrable to sperm, and reduces the receptivity of the endometrium to implantation (IARC, 2007). A variety of innovations ha...
متن کاملCombined Estrogen–progestogen Contraceptives
Combined hormonal contraceptives consist of an estrogen and a progestogen, and act primarily by preventing ovulation through the inhibition of follicle-stimulating hormone and luteinizing hormone. The progestogen component also renders the cervical mucus relatively impenetrable to sperm and reduces the receptivity of the endometrium to implantation. These mechanisms render combined hormonal con...
متن کاملCombined Estrogen–progestogen Contraceptives
Combined hormonal contraceptives consist of an estrogen and a progestogen, and act primarily by preventing ovulation through the inhibition of the follicle-stimulating hormone and luteinizing hormone. The progestogen component also renders the cervical mucus relatively impenetrable to sperm, and reduces the receptivity of the endometrium to implantation (IARC, 2007). A variety of innovations ha...
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ژورنال
عنوان ژورنال: BMJ
سال: 1969
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.3.5668.471-c