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Related Concept Videos

Birth Control Methods01:22

Birth Control Methods

Vasectomy is a surgical form of male sterilization that involves severing and sealing the vasa deferentia, preventing sperm from mixing with semen during ejaculation. Because a vasectomy does not impact the testes' ability to produce testosterone, hormone levels, libido, and sexual function generally remain unchanged. While vasectomy is highly effective in preventing pregnancy, with a success rate near 99.85%, rare cases of recanalization (spontaneous reconnection) can occur. Although vasectomy...
Intrauterine Drug Delivery Systems01:21

Intrauterine Drug Delivery Systems

Controlled-release systems for intravaginal and intrauterine drug delivery have been developed primarily for the administration of contraceptive steroid hormones. These delivery routes circumvent first-pass hepatic metabolism, thereby enhancing bioavailability and allowing for reduced systemic dosages compared to oral administration. Such approaches contribute to improved therapeutic efficacy and patient compliance, particularly in long-term contraceptive regimens.Intravaginal Drug Delivery...
Gonadal and Placental Hormones01:24

Gonadal and Placental Hormones

The gonads, namely the testes in males and the ovaries in females, are pivotal in producing gonadal hormones that orchestrate the intricate processes of sexual development and reproduction.
In males, testosterone is the primary gonadal androgen. It plays a central role in the maturation of male reproductive organs — the penis and testes. Additionally, testosterone is instrumental in the development of secondary sexual characteristics — a deep voice as well as facial and pubic hair growth — and...
Hormonal Regulation01:40

Hormonal Regulation

Hormones regulate a significant portion of digestion through activation of the neuroendocrine system. The neuroendocrine system of digestion contains many different hormones all with multiple functions that are both, directly and indirectly, involved in digestion.
Hormonal Regulation01:33

Hormonal Regulation

The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
Drug Delivery: Miscellaneous Routes01:22

Drug Delivery: Miscellaneous Routes

Drug delivery methods like oral inhalation, nasal sprays, transdermal patches, eye drops, intravitreal injection,  and rectal administration provide localized effects with reduced toxicity.
Oral inhalation and nasal sprays swiftly transfer drugs across the respiratory epithelium's mucosal layer. Inhaled glucocorticoids and bronchodilators directly target lung conditions such as asthma, while fluticasone nasal spray mitigates allergic rhinitis.
Transdermal patches transport drugs through the...

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Related Experiment Video

Updated: May 27, 2026

Laparoscopic Non-Mesh Cerclage Pectopexy for Pelvic Organ Prolapse
03:43

Laparoscopic Non-Mesh Cerclage Pectopexy for Pelvic Organ Prolapse

Published on: September 13, 2022

[Contraception news].

A Vincent-Rohfritsch1, E Pernin, N Chabbert-Buffet

  • 1Service de gynécologie-obstétrique médecine de la reproduction, hôpital Tenon, 4, rue de la Chine, 75020 Paris, France.

Journal De Gynecologie, Obstetrique Et Biologie De La Reproduction
|November 15, 2011
PubMed
Summary
This summary is machine-generated.

Despite widespread availability in France, contraceptive failure is common. Recent advancements in methods, access, and emergency contraception aim to significantly reduce failure rates.

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Last Updated: May 27, 2026

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Area of Science:

  • Reproductive Health
  • Public Health Policy

Context:

  • High rates of contraceptive failure persist in France despite broad availability.
  • Existing contraceptive methods face challenges in efficacy and user compliance.

Purpose:

  • To review recent advancements in contraceptive methods and practices.
  • To highlight strategies for reducing contraceptive failure in France.

Summary:

  • Modifications in contraceptive methods, including improved information and access, are crucial.
  • Enhanced clinical tolerance and compliance are key outcomes of recent advances.
  • The evolution of emergency contraception offers additional support.

Impact:

  • Potential to significantly decrease unintended pregnancies.
  • Improvement in reproductive health outcomes for the French population.
  • Informing future public health strategies for contraception access and efficacy.