منابع مشابه
Conclusions: the relative safety of modern oral contraceptives.
Published data on the relative safety of second and third generation oral contraceptives (OCs) is critically assessed. The original four studies published in 1995/1996 and their conclusions are examined in detail, including comments made by other investigators. Each study has advantages and flaws which are balanced in detail. Newer studies are then examined in the same manner. All recent papers...
متن کاملOral Contraceptives
Current low dose OCs are highly effective with an excellent safety profile and many associated health benefits No single product has been shown to be superior in efficacy, safety or tolerability There is no "one size fits all" OC; different women may require different formulations Smoking particularly after age 35 with concurrent OC use greatly increases cardiovascular and thrombotic risks Age ...
متن کاملAmenorrhoea after oral contraceptives
and five years after the birth of the last child routine recall should start. The fall in detection rates among women repeatedly presenting themselves for rescreening is so dramatic12 that a limit could be put on rescreening. Multiphasic screening has already been criticised,13 and the Canadians agree that it is not realistic. For example, to link cervical screening with screening for breast ca...
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 کاملOral contraceptives and exercise.
A laboratory study was undertaken with volunteer females (aged 20-25) to determine the effect of OCs (oral contraceptives) on hematologic and metabolic variables during exercise. 5 of the women studied were naturally cycling and 7 were taking OCs. The women worked at 2 workloads on a bicycle ergometer at 50% and 90% of their maximal aerobic capacity during 3 different phases of their menstrua...
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ژورنال
عنوان ژورنال: BMJ
سال: 1965
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.2.5464.760-b