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Birth Control Methods

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...

Drug Delivery: Miscellaneous Routes

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...

Antiarrhythmic Drugs: Class II Agents as β-Adrenergic Blockers

Antiarrhythmic Drugs: Class II Agents as β-Adrenergic Blockers

Adrenergic stimulation generally impacts cardiac rate and rhythm. Specifically, stimulation of the β-adrenoceptors triggers an increase in intracellular calcium ion influx and pacemaker currents, which may cause arrhythmias. Catecholamines like adrenaline also demonstrate β2-adrenoceptor-mediated hypokalemia, impacting cardiac action potential and disrupting the normal cardiac rhythm. Class II antiarrhythmic drugs are β-adrenoceptor antagonists or β-blockers, which...

Antiarrhythmic Drugs: Class IV Agents as Calcium Channel Blockers

Antiarrhythmic Drugs: Class IV Agents as Calcium Channel Blockers

Class IV antiarrhythmic drugs, such as verapamil and diltiazem, block calcium channels. They primarily affect the heart, slowing the conduction in calcium-dependent tissues like the SA and AV nodes. These drugs manage reentrant supraventricular tachycardia (SVT) and reduce ventricular rate in atrial flutter/fibrillation.
Verapamil, a calcium channel blocker, inhibits calcium movement across myocardial cell membranes and vascular smooth muscle. This results in the dilation of coronary and...

Prescription, Nonprescription and Orphan Drugs

Prescription, Nonprescription and Orphan Drugs

Prescription drugs require a prescription from a medical practitioner and can only be obtained from a pharmacy. They have many applications, including treating pain, anxiety, and hypertension.
The misuse and addiction to prescription drugs is a growing problem that can affect people of all age groups, specifically teenagers. This can happen when prescription medications are used in ways not intended by the prescriber, such as taking someone else's prescription or using medication for...

Tissue-Drug Binding: Localization of Drugs and its Significance

Tissue-Drug Binding: Localization of Drugs and its Significance

Body tissues, comprising approximately 40% of the body weight, are crucial in drug distribution and localization. These tissues can serve as drug storage sites, competing with plasma binding sites for drug molecules.
Drugs can bind to different tissue components, enhancing their distribution and localization. The factors influencing drug localization in tissues include the drug's lipophilicity, structural characteristics, tissue perfusion rate, and pH differences. These factors determine...

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Sensitivity of fasting glucose for gestational diabetes mellitus screening in Mexican adolescents based on International Association of Diabetes and Pregnancy Study Groups criteria: a diagnostic accuracy study based on retrospective data analysis.

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Updated: Jun 1, 2025

Author Spotlight: Advancing Pelvic Prolapse Treatment with a Non-Mesh Approach using Laparoscopic Pectopexy

Author Spotlight: Advancing Pelvic Prolapse Treatment with a Non-Mesh Approach using Laparoscopic Pectopexy

Published on: October 25, 2024

Contraceptive patch in Mexico, an underused option.

Josefina Lira-Plascencia¹, Silvia Paz-Ruiz²

¹Torre de Especialidades Quirúrgicas, Hospital Ángeles del Pedregal, Mexico City, México.

Gaceta Medica De Mexico

|January 20, 2025

Summary

The contraceptive patch is an effective method, yet underutilized in Mexico. Improving knowledge and accessibility can increase its use and reduce unmet contraceptive needs.

Keywords:

Anticoncepción Contraception Parche transdérmico Prevalence of use Prevalencia de uso Transdermal patch

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A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents

Published on: July 10, 2017

Area of Science:

Contraception
Reproductive Health
Public Health

Background:

The transdermal contraceptive patch offers advantages over other hormonal methods.
Current utilization of the contraceptive patch remains low at 2.8%.

Purpose of the Study:

To identify factors influencing the adoption and use of the contraceptive patch.
To understand barriers to contraceptive patch accessibility and knowledge in Mexico.

Main Methods:

A comprehensive literature review on contraceptive practices in Mexico was conducted.
Analysis focused on factors affecting contraceptive method choice and utilization.

Main Results:

The contraceptive patch is the least known and accessible option in Mexico, with only 20.9% of women understanding its correct use.
Bureaucratic obstacles and insufficient medical education hinder contraceptive supply and professional counseling.
The transdermal patch is an effective, safe, and convenient contraceptive choice.

Conclusions:

Enhancing functional knowledge and counseling on the contraceptive patch can improve user autonomy and compliance.
Addressing accessibility and awareness issues is crucial for reducing unmet contraceptive needs.
The transdermal patch represents a viable and safe contraceptive alternative.