Birth Control Pills – What You Should Know Before Starting Them

Woman discussing women’s health with a gynecologist during a consultation
This article was prepared by a gynecologist based on current clinical guidelines and practical experience in the use of hormonal contraception. It discusses the selection, safety, and key considerations of taking birth control pills. The information is provided for educational purposes and does not replace an in-person medical consultation.

Many women approach birth control pills with caution. Some are concerned about hormones themselves, others worry about possible weight gain, while others believe that becoming pregnant after long-term use will be difficult. In practice, however, many of these concerns are based not on current medical evidence but on outdated beliefs or stories from friends and acquaintances.

During consultations, I often see the same situation: a woman comes to discuss contraception, but within a few minutes the conversation shifts to concerns about hormones. That is why I always prefer to begin by explaining how modern birth control pills work, when they are truly appropriate, and when it may be better to consider other contraceptive methods.

Why Do Birth Control Pills Still Raise So Many Questions?

Although combined oral contraceptives, commonly referred to as COCs, have been used for many years and are well studied, opinions about them remain divided. Some women consider them one of the safest and most reliable methods of contraception, while others continue to distrust hormonal medications.

This is largely because public perceptions of COCs have developed over decades, while the medications themselves have changed significantly. Their composition has changed, dosages have changed, and so have the approaches to selecting the right medication and assessing safety. As a result, much of what was considered true many years ago is no longer applicable today. Birth control pills should therefore be evaluated not based on someone else’s experience, but on how well a particular medication suits an individual woman, taking into account her age, health status, lifestyle, and reproductive plans.

How Birth Control Pills Actually Work

When women hear the word “hormones,” many imagine that the body undergoes a complete transformation. In reality, the way modern birth control pills work is much more straightforward and predictable than it may seem.

Most modern birth control pills contain small doses of two hormonal components. Together, they temporarily prevent ovulation, change the properties of cervical mucus, and create conditions that make pregnancy extremely unlikely.

It is also important to understand that modern birth control pills are not all the same. They may contain different active ingredients, follow different dosing regimens, and are prescribed according to a woman’s specific clinical situation. That is why it is incorrect to assume that all COCs are identical or that a medication that worked perfectly for one woman will necessarily be the best choice for another.

The effectiveness of birth control pills also depends directly on taking them correctly. When the medication is taken every day according to the recommended schedule, the likelihood of pregnancy remains extremely low.

How Does a Gynecologist Determine Whether Birth Control Pills Are Right for a Woman?

Choosing birth control pills does not begin with selecting a specific brand name. It begins with evaluating a woman’s overall health. During the consultation, the gynecologist considers age, chronic medical conditions, menstrual cycle characteristics, reproductive plans, current medications, previous illnesses, and many other factors that may influence the safety of hormonal contraception.

Sometimes the evaluation clearly shows that COCs are an excellent option. In other situations, however, I recommend considering a different contraceptive method instead. This is completely normal. The goal of the consultation is not to prescribe hormonal pills at any cost, but to identify the safest and most appropriate option for each individual woman.

I never recommend starting birth control pills simply because they worked well for a friend, a relative, or received many positive online reviews. What is safe and effective for one person is not necessarily the best choice for someone else.

Why a Gynecologist May Recommend Birth Control Pills for More Than Contraception

When I first suggest that a patient consider birth control pills as part of treatment, I often notice surprise. Many women associate them exclusively with preventing pregnancy, so such a recommendation may seem unexpected.

In modern gynecology, however, combined oral contraceptives have long been used for much more than contraception. In certain clinical situations, they not only provide reliable pregnancy prevention but also help address other gynecological concerns. When carefully selected, they may become one component of comprehensive treatment. This does not mean, however, that COCs are a universal treatment for every gynecological condition.

For example, combined oral contraceptives may be used in certain forms of endometriosis, polycystic ovary syndrome, painful or heavy menstrual periods, specific menstrual cycle disorders, and several other clinical situations where this approach is supported by current guidelines. In these cases, the purpose of prescribing birth control pills extends beyond contraception. For some women, reducing pain, making menstrual cycles more predictable, decreasing menstrual blood loss, or achieving other therapeutic benefits is even more important. At the same time, it is essential to understand one thing: even if two women have similar symptoms, it does not mean that the same treatment will be appropriate for both.

That is why a woman may come to an appointment with one concern, but after the examination the discussion gradually shifts toward hormonal contraception. From the patient’s perspective, this may seem unexpected, although for the gynecologist such a recommendation is entirely logical.

The Most Common Concerns Before Starting Birth Control Pills

Perhaps no other contraceptive method is surrounded by as many concerns as birth control pills. During consultations, many women ask virtually the same questions, and that is completely understandable, since these medications are taken every day. Wanting to understand their possible effects before starting treatment is entirely natural.

“I will definitely gain weight.”

This is one of the most persistent myths. Modern combined oral contraceptives contain much lower doses of hormones than earlier generations of these medications. Although every woman’s body responds differently, it is incorrect to say that all women will inevitably gain weight while taking COCs.

“It will be difficult to get pregnant after I stop taking the pills.”

For most women, fertility gradually returns after discontinuing birth control pills. The timing varies from person to person, but modern COCs themselves do not cause infertility.

“The body needs to take regular breaks from hormones.”

Today, this recommendation is no longer considered evidence-based. If the medication is well tolerated, there are no contraindications, and the woman still needs contraception or treatment, routine breaks are generally unnecessary. Moreover, stopping the medication on your own may create additional difficulties and reduce contraceptive effectiveness.

“All birth control pills are the same.”

This is another common misconception. Modern medications differ in their composition, dosage, treatment regimens, and indications. That is why the choice of a specific COC is always individualized rather than based on which product is the most popular.

Frequently Asked Questions

Even after a detailed consultation, many women still have questions about taking birth control pills. Most commonly, these relate to safety, long-term use, and situations that may arise after treatment has begun.

Can I get pregnant after stopping birth control pills?

Yes. After discontinuing COCs, fertility gradually returns in most women.

For some, ovulation resumes during the next menstrual cycle, while for others it may take a little longer. This is considered normal and is not necessarily related to the medication itself.

Do I Need to Take Breaks From COCs?

In the past, this recommendation was quite common, but current clinical practice has changed.

If the medication is well tolerated, there are no contraindications, and contraception or treatment is still needed, routine breaks are generally unnecessary. Moreover, stopping the medication without medical advice may lead to the return of symptoms for which COCs were prescribed or reduce contraceptive reliability.

What Should I Do If I Miss a Pill?

The answer depends on how much time has passed since the missed pill, during which week of the cycle it occurred, and which specific medication is being taken.

I recommend reading your medication’s instructions carefully in advance. If you are unsure what to do, do not rely on generic advice found online. Instead, consult your healthcare provider, as recommendations may differ between medications.

Can Birth Control Pills Be Taken for Many Years?

Yes, provided there are no contraindications and the woman continues regular follow-up with her gynecologist.

Modern combined oral contraceptives are intended for long-term use. If they are well tolerated and no new risk factors develop, there is usually no reason to stop taking them simply because several years have passed.

What Side Effects May Occur When Starting Birth Control Pills?

During the first few months, some women may experience light spotting, breast tenderness, mild nausea, or changes in general well-being. In many cases, these symptoms gradually improve as the body adapts.

However, if the symptoms become severe, persist for a long time, or cause significant discomfort, you should not change the medication or stop taking it on your own. It is much better to discuss the situation with your doctor and decide on the most appropriate course of action.

When Should I Contact My Doctor Outside a Scheduled Visit?

Although modern COCs are considered a safe contraceptive method for appropriately selected patients, there are situations in which medical attention should not be delayed.

Severe pain, unusual bleeding, a sudden deterioration in general health, the appearance of new symptoms, or any other concerning changes are all reasons to seek an unscheduled medical consultation. Even if no serious problem is ultimately found, it is always better to clarify the situation promptly.

The Most Important Things to Remember

Modern birth control pills remain one of the most thoroughly studied and effective methods of contraception. However, choosing them should never be based solely on advertising, recommendations from friends, or someone else’s experience.

Every woman has her own unique clinical situation. A medication that is an excellent choice for one person may be completely unsuitable for another. That is why the decision to prescribe COCs is always made individually after evaluating the woman’s health and possible contraindications.

If your doctor recommends considering birth control pills not only for contraception, do not be surprised. In modern gynecology, some hormonal medications are used to achieve several therapeutic goals at the same time. The important thing is that their use is medically justified, consistent with current clinical guidelines, and appropriate for your individual clinical situation.

Dr. Lyudmila Shpura
Obstetrician-gynecologist
More than 14 years of practical experience
New Life Medical Center
2026

Clinical Guidelines and Sources

  1. ACOG. Combined Hormonal Birth Control: Pill, Patch, and Ring. Current recommendations on the use of combined hormonal contraception, including indications, contraindications, and patient counseling.
  2. CDC. U.S. Selected Practice Recommendations for Contraceptive Use. Practical recommendations for the safe prescribing and use of hormonal contraception.
  3. FSRH (Faculty of Sexual and Reproductive Healthcare). Combined Hormonal Contraception Guideline. Detailed guidance on the selection, prescribing, safety, and long-term use of combined oral contraceptives.
  4. NICE Clinical Knowledge Summaries. Contraception – combined hormonal methods. Guidance on selecting combined hormonal contraception and counseling patients.
  5. World Health Organization (WHO). Medical Eligibility Criteria for Contraceptive Use. International eligibility criteria for selecting contraceptive methods based on a woman’s health status.