На информационном ресурсе применяются рекомендательные технологии (информационные технологии предоставления информации на основе сбора, систематизации и анализа сведений, относящихся к предпочтениям пользователей сети "Интернет", находящихся на территории Российской Федерации)

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50 years ago, IUDs were deemed safe and effective

IUD
SHAPE SHIFTERS Current intrauterine devices, or IUDs, are T-shaped. But previous designs of the contraceptives included curlicues, s-shapes and an ill-fated spiked shield.

IUDs: approval of a renaissance

In 1929, the German scientist Ernst Grafenberg inserted silver rings into the uteri of 2,000 women, and reported a pregnancy rate of only 1.

6 percent. Despite this history, the use of intrauterine devices, or IUDs, was not generally accepted.… A report made public last week by the FDA’s Advisory Committee on Obstetrics and Gynecology concludes that while it doesn’t know how they work, it finds IUDs to be safe and effective in blocking contraception. —…

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