Pre-Contraceptive Pills: Effects on Menstrual Cycle and Mood - Obstetrics and Gynecology

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Emergency contraceptive pill


Hello, I have been taking oral contraceptive pills for 5 years, and recently I want to take them continuously without interruption because I don't want to have my period.
However, I personally notice a significant increase in appetite and irritability during the luteal phase.
I also read that when taking oral contraceptives, there is no follicular phase, ovulation phase, or luteal phase.
But I can clearly feel changes in my emotions and appetite before my period.
I would like to ask: 1.
Is it true that when taking oral contraceptives, there is no follicular phase, ovulation phase, or luteal phase? 2.
If there is a luteal phase, how is it calculated if I take two packs of contraceptive pills continuously without interruption? (I am concerned that continuous use will lead to an extended luteal phase, which affects my mood negatively.)

Yang, 20~29 year old female. Ask Date: 2024/03/14

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, contraceptive pills contain a small amount of progesterone.
Taking birth control pills suppresses ovulation, so there is no typical luteal phase.
You might consider trying a different brand.
Wishing you good health!

Reply Date: 2024/03/14

More Info


When it comes to understanding the effects of oral contraceptive pills (OCPs) on the menstrual cycle and mood, it is essential to clarify how these medications work and their implications for hormonal fluctuations.
1. Understanding the Menstrual Cycle and OCPs:
The menstrual cycle is typically divided into several phases: the follicular phase, ovulation, the luteal phase, and menstruation. When you take OCPs, they work primarily by preventing ovulation. This means that the hormonal fluctuations that typically occur during the menstrual cycle are significantly altered. OCPs contain synthetic hormones (estrogen and progestin) that maintain a consistent level of hormones in the body, effectively suppressing the natural cycle. As a result, the phases of the menstrual cycle, including the follicular phase, ovulation, and luteal phase, are not experienced in the same way as they would be without hormonal contraception.
2. Continuous Use of OCPs:
If you choose to take OCPs continuously (skipping the placebo pills and not having a withdrawal bleed), you are essentially preventing the hormonal drop that triggers menstruation. This can be beneficial for those who experience severe premenstrual symptoms or wish to avoid menstruation altogether. However, it is important to note that while you may not experience the typical phases of the menstrual cycle, your body may still react to the hormonal changes induced by the pills.
3. Mood and Appetite Changes:
Many individuals report changes in mood and appetite when taking OCPs, particularly during the time they would typically experience their menstrual cycle. This can be due to the body’s response to the synthetic hormones, which can influence neurotransmitters in the brain, such as serotonin and dopamine. If you are experiencing increased appetite and irritability, it may be related to the hormonal effects of the OCPs, even if you are not experiencing a traditional luteal phase.
4. Concerns About Extended Use:
If you are concerned about the potential for prolonged luteal-like symptoms due to continuous use of OCPs, it is essential to discuss this with your healthcare provider. While continuous use can help manage symptoms for many, individual responses can vary. Some may find that their mood and appetite stabilize, while others may continue to experience fluctuations.
5. Consultation with Healthcare Provider:
It is crucial to have open communication with your healthcare provider regarding your experiences with OCPs. They can provide personalized advice based on your medical history and current health status. If you find that your mood swings or appetite changes are significant, your provider may suggest alternative contraceptive methods or additional strategies to manage these symptoms.

In summary, while OCPs do alter the natural menstrual cycle and can affect mood and appetite, individual experiences can vary widely. Continuous use of OCPs can be an effective way to manage menstrual symptoms, but it is essential to monitor how your body responds and to maintain a dialogue with your healthcare provider to ensure that your contraceptive method aligns with your health needs and lifestyle.

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