How to practice contraception safely without harming the body
Nov 07, 2025
Source: Cainiu Health
Dr. Zhang Lu
Introduction
There is generally no such thing as the "safest contraception," but contraceptive methods that are safe and have minimal impact on the body include male condoms, female condoms, copper-containing intrauterine devices (IUDs), short-acting oral contraceptives, and natural family planning methods (such as cycle calculation combined with basal body temperature monitoring). Male condoms work by physically blocking sperm from entering the uterus.
There is generally no such thing as the "safest contraception," but safe methods with minimal physical harm include male condoms, female condoms, copper-containing intrauterine devices (IUDs), combined oral contraceptives (short-term birth control pills), and natural family planning (using cycle calculation combined with basal body temperature monitoring). Detailed explanations are as follows:
1. Male condom: This method prevents sperm from entering the uterus through a physical barrier. When used correctly, it has a high contraceptive effectiveness and also protects against sexually transmitted infections (STIs). It does not require medication or invasive procedures, causing no chemical or mechanical damage to the body, making it a relatively safe option.
2. Female condom: Similar in principle to the male condom, this is inserted by the woman herself and provides contraception via a physical barrier. Made of soft, flexible material that conforms comfortably, it does not affect hormonal levels or cause damage to reproductive organs, while offering some protection against STIs.
3. Copper-containing intrauterine device (IUD): Placed inside the uterus, it releases copper ions that impair sperm motility and prevent implantation of a fertilized egg, thus achieving contraception. It contains no hormones and has minimal impact on the endocrine system. Once inserted, it can remain effective for 5–10 years, making it suitable for individuals seeking long-term contraception who have no contraindications.
4. Combined oral contraceptives (short-term birth control pills): These must be taken regularly and work primarily by suppressing ovulation. When used as directed under medical supervision, they are highly effective at preventing pregnancy and can also regulate menstrual cycles and reduce dysmenorrhea (painful periods). They have relatively minor overall effects on the body, although missed doses should be avoided.
5. Natural family planning (cycle calculation combined with basal body temperature monitoring): This involves tracking the menstrual cycle and monitoring basal body temperature to avoid intercourse during the fertile window. It requires no tools or medications and causes no physical harm. However, it depends heavily on regular menstrual cycles and accurate tracking, so its effectiveness varies significantly based on user consistency and precision.
Before choosing a contraceptive method, individuals should assess their own health status and consult a doctor if they have underlying medical conditions. If any discomfort occurs during use—such as abdominal pain or abnormal bleeding—prompt medical evaluation is recommended.
