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Why Are Menstrual Cycle Absent During Pregnancy?


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Almost everyone is aware that the menstrual cycle stops during pregnancy, which is the first sign indicating that you are pregnant. Although various other factors may lead to the absence of menstrual cycles, stress is the most common.

Here in this blog, we’ll discuss why menstrual cycles are absent during pregnancy. So read this blog entirely and leave your comment below. To know why menstrual cycles are absent during pregnancy, CLICK HERE.

Before we start discussing why are menstrual cycle absent during pregnancy, let’s talk about some facts about the menstrual cycle. These facts are:-

  • The absence of a menstrual cycle is not always an indication of pregnancy
  • Sometimes stress (physical & mental) can also lead to the absence of the menstrual cycle
  • Sometimes several medicines can be the culprit for the same

Before discussing why menstrual cycles are absent during pregnancy, let’s discuss why a female experiences a period. Understanding this will help you understand why the menstrual cycle is absent during pregnancy.

Why Does Menstrual Cycle Occur?

After puberty, a female body prepares itself for a possible pregnancy. Usually, this process starts with the release of the egg cells from the ovary. A female body has two ovaries, each releasing egg cells in an alternative month.

The released egg cell moves towards the fallopian tube, where the possible fusion of sperm and egg cells is supposed to be. Meanwhile, the inner lining of the uterus gets thick and rich in blood vessels to support the implant if fertilisation occurs.

If the egg cell doesn’t receive sperm for the fusions, the uterus’s inner lining and blood vessels start degenerating, resulting in heavy blood flow. The blood flow cleans the debris so that the body again prepares itself for the possible pregnancy next month.

Reason Why The Menstrual Cycle Absent During The Pregnancy?

Hope you entirely understand the above section about why the menstrual cycle occurs. If you have any doubt, CLICK HERE to reread it, as this is quite crucial to understand the reason behind the absence of the menstrual cycle during pregnancy.

During the waiting period, if the sperm cell reaches the egg, the sperm cell fuses with the egg cell and fertilizes the egg. During this process, few hormonal changes occur, which signal the ovarian corpus luteum to release the progesterone hormone.

The high progesterone level inside the body signals the hypothalamus, a gland responsible for keeping the body in a stable state. As a result, the hypothalamus doesn’t secrete the Gonadotropin-releasing hormone, which is responsible for the secretion of other hormones necessary for regulating the menstrual cycle. Thus, these processes stop follicle development which means no ovulation and no period.

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#1. What hormone stops period during pregnancy

Progesterone is the hormone released by the corpus luteum of the ovary. This hormone plays a vital role in the menstrual cycle and in maintaining the early stages of the pregnancy. We have also explained this process in the above section (CLICK HERE TO CHECK).

#2. When the menstrual cycle resumes after childbirth

This answer is a little tricky because this depends on the person. But if you bottle feed your baby or combine bottle feeding with breastfeeding, your first period could start as soon as 5 to 6 weeks after giving birth.

Abhishek Kumar
Abhishek Kumar holds masters in Biotechnology. His most preferred genre of writing is Health, Environment, Entertainment, and sport. He has been writing from the past 4 years. He enjoy socializing a lot. Apart from all this, he enjoy watching movies, web series, cricket and exploring nature makes him happy.


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