BIOLOGY | MEDICAL | HEALTH on Instagram: "This tiny strip is a subdermal contraceptive implant inserted just under the skin of the upper arm. It slowly releases a hormone (usually etonogestrel) that prevents pregnancy by inhibiting ovulation, thickening cervical mucus, and altering the uterine lining. One implant can provide long-term contraception for 3 to 5 years, making it one of the most effective and reversible birth control methods available. The procedure is quick, minimally invasive, and