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Fertile inventions: new contraceptive techniques
New Internationalist
|September 1, 1984
Summary
New contraceptive research explores innovative methods like nasal sprays and implants, targeting ovulation and sperm production. These advancements offer novel approaches to birth control beyond traditional methods.
Area of Science:
- Reproductive Health
- Pharmacology
- Biotechnology
Background:
- Conventional contraception relies heavily on steroid-based pills.
- Existing research focuses on alternative drug delivery systems for women.
- Understanding the brain's role in ovulation opens new avenues for contraception.
Purpose of the Study:
- To explore novel contraceptive techniques beyond traditional methods.
- To investigate the potential of targeting the brain and hormonal pathways for birth control.
- To examine natural substances and advanced materials for contraceptive applications.
Main Methods:
- Development of long-acting implants (Norplant) releasing contraceptive drugs.
- Synthesis of nasal sprays to inhibit ovulation by mimicking brain signals.
- Research into natural substances like mucilage and gossypol for sterilization and male contraception.
- Utilizing methylcyanoacrylate (superglue) for fallopian tube blockage.
Main Results:
- Norplant offers a 5-year contraceptive solution via subdermal implants.
- Nasal sprays show potential in inhibiting ovulation by interacting with the pituitary gland.
- Mucilage and methylcyanoacrylate are being explored for non-surgical female sterilization.
- Gossypol from cottonseed demonstrates potential for reducing sperm count in males.
Conclusions:
- Contraceptive research is rapidly diversifying, incorporating advanced drug delivery and neurobiological targets.
- Natural products and biomaterials present promising avenues for both female and male contraception.
- Future contraceptive strategies may involve direct brain intervention and novel sterilization techniques.