By Dr. Manuel Izquierdo (Licensed Gynecologist – 280308601).
The use of contraceptives is very common among couples or women who wish to avoid pregnancy at a certain stage of their lives while maintaining an active sex life. However, when the time comes to try for a pregnancy, many doubts and concerns often arise: could contraceptives have left “after-effects”? Is it normal for pregnancy not to occur immediately? Are there contraceptive methods that affect fertility more than others?
In reality, contraceptives do not cause infertility, although they may temporarily influence the time the body needs to return to its natural state. Below, we address some of the most frequently asked questions on this topic.
Depending on the type of contraceptive used, the recovery of fertility may vary:
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Some women ovulate during the first cycle after stopping oral contraceptives, making it possible to become pregnant right away. Others may need several months for their cycle to return to normal. Both situations are considered normal.
The time it takes to achieve pregnancy is usually not related to previous contraceptive use, but rather to individual factors such as age, ovarian reserve or pre-existing conditions that may not have been detected while using hormonal contraception.
It is also important to consider that hormonal contraceptives may have “masked” underlying issues that were already present. For example, women with Polycystic Ovary Syndrome (PCOS) or endometriosis may experience regular, pain-free cycles while taking the pill, as symptoms are artificially controlled. Once discontinued, the body returns to its natural state and latent ovulatory difficulties or hormonal imbalances may reappear.
The intrauterine device (IUD), both hormonal and copper, is one of the contraceptive methods that raises the most questions regarding fertility. However, once removed, a woman’s reproductive capacity recovers quickly and effectively.
Their mechanisms of action differ: the hormonal IUD acts locally by thickening cervical mucus and altering the endometrium, while the copper IUD creates a hostile environment for sperm. Neither causes permanent damage to the uterus or ovaries.
Fertility is influenced by multiple factors in both women and men, often as a combination of several elements. One of the most common factors is reproductive age, especially in women, due to the progressive decline in ovarian reserve. General health status, body weight, smoking, alcohol consumption, stress, and the presence of gynaecological or andrological conditions can also play a role.
In men, semen quality may be affected by similar factors, as well as by infections, varicocele or various hormonal disorders.
After stopping contraceptives, it is natural to wonder how long to wait before consulting a fertility specialist if pregnancy does not occur. There is no universal answer, as this depends on each individual or couple. However, some general timeframes can be considered to help assess the need for a medical evaluation. In most cases, pregnancy occurs naturally without any intervention, even if it takes weeks or even months, depending on the contraceptive method previously used.
As a general guideline, consultation is recommended after 12 months of unprotected intercourse without pregnancy in women under 35, and after 6 months in women aged 35 or older. Earlier consultation is advisable regardless of age if menstrual cycles do not resume or are very irregular, or if there is a history of PCOS, endometriosis, previous gynaecological surgery, pelvic infections, or a known male factor affecting semen quality.