Postpartum Menstruation and Its Impact on Breastfeeding

Postpartum menstruation

On December 23, 2015, I had my first natural delivery and have been exclusively breastfeeding since then.
Last week, I started noticing a small amount of bright red liquid, which feels more watery than thick.
It's just a little bit each day, lasting for about a week.
Could this be the onset of my first menstrual period? Also, will the return of my menstrual cycle affect my milk supply?

Ms. Wu, 30~39 year old female. Ask Date: 2016/04/21

Dr. Lin Wenbin reply Obstetrics and Gynecology

Please come to the hospital for an examination before making a decision.

Reply Date: 2016/04/21

More Info

Understanding postpartum menstruation and its impact on breastfeeding is an important topic for new mothers. After giving birth, many women experience changes in their menstrual cycle, and it is common to have questions about how these changes may affect breastfeeding.

Firstly, the presence of a small amount of bright red, watery discharge could indicate the return of your menstrual cycle, especially if you are around the time when your first postpartum period is expected. However, it is also possible that this discharge is related to lochia, which is the vaginal discharge that occurs after childbirth. Lochia typically consists of blood, mucus, and uterine tissue and can last for several weeks. It usually changes in color and consistency over time, starting with bright red blood and gradually becoming lighter in color. If the discharge you are experiencing is indeed your first menstrual period, it may be lighter than what you experienced prior to pregnancy, as postpartum menstruation can vary significantly among women.

Regarding the impact of menstruation on breastfeeding, research indicates that the return of your menstrual cycle does not necessarily lead to a decrease in milk supply. While some women may notice a temporary dip in milk production just before or during their period due to hormonal fluctuations, this is not the case for everyone. The hormone prolactin, which is responsible for milk production, can remain stable even when menstruation resumes. Therefore, most mothers can continue to breastfeed successfully even after their periods return.

It is also worth noting that breastfeeding itself can delay the return of menstruation. This is due to the hormonal changes that occur during breastfeeding, particularly the increased levels of prolactin, which suppress ovulation. Many breastfeeding mothers may experience amenorrhea (the absence of menstruation) for several months or even longer, depending on the frequency and exclusivity of breastfeeding.

If you are concerned about your milk supply or any changes you are experiencing, it is always a good idea to consult with a lactation consultant or your healthcare provider. They can provide personalized advice and support to ensure that both you and your baby are thriving.

In summary, the small amount of bright red discharge you are experiencing could be an indication of your first postpartum period, but it is essential to differentiate it from lochia. The return of menstruation does not typically affect milk supply, and many women continue to breastfeed without issues. If you have any concerns, seeking professional guidance is recommended to address your specific situation.

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