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Related Experiment Videos

Contraception today.

Giuseppe Benagiano1, Carlo Bastianelli, Manuela Farris

  • 1Department of Gynecological Sciences, Perinatology and Child Care, University La Sapienza, Rome, Italy. giuseppe.benagiano@uniroma1.it

Annals of the New York Academy of Sciences
|February 20, 2007
PubMed
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Modern contraception has revolutionized reproductive health, offering diverse methods that have significantly reduced fertility rates globally. Continued innovation in hormonal and non-hormonal contraceptives enhances accessibility and effectiveness for population control.

Area of Science:

  • Reproductive Health
  • Contraceptive Technology
  • Global Health

Background:

  • Modern contraceptive methods emerged in the latter half of the 20th century, initiating a significant social and reproductive revolution.
  • Global fertility rates declined from 5.1 in 1950 to 3.7 in 1990, with population growth slowing due to increased contraceptive use.
  • Over 600 million married women worldwide use contraception, with substantial uptake in developing nations and among sexually active unmarried women.

Purpose of the Study:

  • To review the advancements and diversity of modern contraceptive methods.
  • To highlight the impact of contraception on global fertility rates and population control.
  • To discuss emerging trends and future directions in contraceptive development.

Main Methods:

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  • Review of hormonal contraceptive delivery systems, including oral pills, injectables, implants, intrauterine devices, vaginal rings, and transdermal patches.
  • Exploration of non-hormonal intrauterine devices and the development of dual protection methods.
  • Discussion of ongoing research in emergency contraception and antifertility vaccines.

    • Main Results:

    • Hormonal contraception is available via seven routes, with innovations in oral formulations (e.g., desogestrel minipill) and sustained-release systems.
    • Newer methods include contraceptive rings, transdermal patches/sprays/gels, improved injectables, and advanced intrauterine devices (e.g., levonorgestrel-releasing IUDs).
    • Development of dual protection strategies and research into selective progesterone receptor modulators for emergency contraception show promise.

    Conclusions:

    • The evolution of contraceptive technology has been instrumental in managing population growth and empowering individuals.
    • Ongoing research and development continue to expand options, improving efficacy, safety, and user convenience.
    • Future directions include advanced emergency contraception and potentially antifertility vaccines, alongside addressing sexually transmitted infections.