LA CONTRAGESTION PDF

liens des images,liens du site,Affiche Intéractive sur la contraception et la contragestion de l’implant,Choisir sa contraception,zeinelle. Emergency contragestion. Schaison G(1). Author information: (1)Service d’ Endocrinologie et des Maladies de la Reproduction Hôpital de Bicetre, France. Roussel Ucla{, Romainville, and Institut National de la Sante et de la Recherche Medicate (INSERM) U 33,. Hopital de Bicetre, Kremlin-Bicetre, France.

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Contragestion is the prevention of implantation of the blastocystor a device or substance which can effect such prevention as a means of birth control.

Other birth control methods include contraceptionwhich prevents fertilization, and abortionthe removal or expulsion of a fetus or embryo from the uterus. Contragestives include intrauterine devices placed inside the uterus and some forms of hormonal ” emergency contraception “.

The term, ‘contraception’ is a contraction of ‘contra’, which means ‘against’, and the word ‘conception’, which is a non-technical term that is synonymous [ 2 ] with fertilization.

The word ‘contragestion’ is likewise a combination of ‘contra’ and ‘gestation’.

Les moyen de contraception et de contragestion by victor forait on Prezi

Elisabeth Johannisson of the International Committee for Research in Reproduction endorsed the use of this nomenclature saying that, “it is appropriately descriptive and fits in with contemporary medical ethics, which require us to indicate when we know them the phenomena which occur in patients. The word ‘contraception’ is ambiguous and ‘abortion’ remains the traumatic symbol of a painful failure Faced with the imprecision of these currently used terms, ‘contragestion’ is preferable coontragestion it takes recent scientific knowledge into account.

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At the same time, it is difficult to make this term accepted because more classical expressions have great force. The word ‘abortion’ has a long tradition The word ‘contraception’ has had a strong impact on the history of our century. Between the two it is difficult to find a place, either biological or semantic.

la contaception et la contragestion de l’implant

The function of birth control can be classified by the stage of reproduction during which it is active. A form of contragewtion control which prevents the sperm from fertilizing the egg is a contraceptive agent [ 6 ].

A form of birth control which acts after fertilization to prevent or interrupt the implantation of the embryo into the uterine lining is a contragestive agent. Contrgaestion is important to bear in mind that these mechanisms of action are not mutually exclusive. One substance or device can have more than one potential effect depending upon when it is used.

For example, while mifepristone is best known as an abortifacient, it can also function as a contragestive agent. Implantation is a delicate and complicated process which can be affected by a variety of factors. The result is that contragestion occurs naturally in both humans and other animals for many reasons. One factor which can cause contragestion is malnutrition. For example, a deficiency of vitamin A can cause contragestion in cats [ 14 ] and studies indicate that insufficient calcitonin causes contragestion contragesfion rats.

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Contragestion is a relatively common occurrence in humans. According to Lynn Wiley, professor of obstetrics and gynecology, “Only certain cells within the embryo can implant and form a placenta.

Without these cells, or if these cells contrageston not healthy, implantation will fail. These features include, but are not limited to anatomic abnormalities, hormonal irregularities, and malfunctions in the immune system. Birth control — For other uses, see Birth control disambiguation.

Emergency contragestion.

Birth control is an umbrella term for several techniques and methods used to prevent fertilization or to interrupt pregnancy at various stages. We are using cookies for the best presentation of our site.

Continuing to use this site, you agree with this. John Melloni, Gilbert M. Eisner, Published by Informa Comtragestion Care,page Retrieved May 26, September Page Retrieved May 26, Eisner, Published by Informa Health Care,page 1.

Retrieved May 26, Retrieved May 26, Emergency Contraception Bobbi J. Clin Reprod Fertil 1 3: Methods contragesstion birth control. Look at other dictionaries: Dictionaries exportcreated on PHP. Mark and share Search through all dictionaries Translate… Search Internet.

Contents 1 Terminology 2 Contragestion and birth control 3 Naturally occurring contragestion 3.

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