Will menstruation ahead of schedule lead to infertility?

Written by Jia Rui
Obstetrics and Gynecology
Updated on May 07, 2025
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Menstruation occurring earlier than expected might lead to infertility. Generally, if a woman's period occurs every 20 days or so, it may be indicative of a shortened luteal phase, which can impact pregnancy. If menstruation consistently occurs earlier, it can affect ovulation and the development of the endometrium, which is disadvantageous for conception. If the advance in timing is significant, it usually suggests poor ovarian function, which can impact the development of follicles and the endometrium, thereby affecting pregnancy. If the cycle is very regular and involves normal follicles, the possibility of pregnancy cannot be ruled out. It is recommended to maintain a good mood and ensure adequate rest.

Other Voices

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Written by Shen Li Wen
Obstetrics and Gynecology
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What are the symptoms of infertility?

There are many causes of infertility, so depending on different reasons, the clinical manifestations also vary. For instance, some women suffer from infertility due to abnormal ovulation, which could manifest as abnormalities in the menstrual cycle such as prolonged absence of menstruation, like in polycystic ovary syndrome, or irregular vaginal bleeding. Some women have uterine factors that cause infertility, such as common post-multiple intrauterine operations leading to intrauterine adhesions, where a woman might experience reduced menstrual flow or even amenorrhea, accompanied by painful menstruation. Additionally, infertility in some women might be due to cervical factors, possibly presenting with thick vaginal discharge, contact bleeding, or blood-tinged discharge. Partially, some women might have ovarian endometriomas, which can cause severe painful menstruation and increased menstrual volume, among other symptoms.

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Written by Jia Rui
Obstetrics and Gynecology
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Can cold in the uterus cause infertility?

Cold in the uterus can lead to infertility. It can affect the vitality of sperm and create an environment unsuitable for fetal development. Women with cold in the uterus should avoid getting cold, especially avoid eating cold drinks and cold foods during menstruation and can eat more blood-nourishing foods like donkey-hide gelatin and deer antler glue after menstruation. There are many treatment methods for cold in the uterus, including using Chinese medicine to warm the kidneys and dispel cold, as well as external application of Chinese medicine and acupuncture. During menstruation, patients with cold in the uterus should eat more walnuts, dates, and peanuts to nourish qi and warm the body.

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Written by Kang Jian Hua
Reproductive Center
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Infertility means the inability to conceive (get pregnant) after a year or more of regular sexual activity without contraception.

Many people are not clear about the difference between infertility and sterility, thinking that infertility refers to the inability of a woman to conceive, while sterility refers to the inability of a man to reproduce. Actually, this understanding is incorrect, or rather, incomplete. Infertility should be defined as a couple living together for more than a year, having normal sexual intercourse without contraception, and being unable to cause pregnancy in the female, which is called infertility. Sterility, on the other hand, refers to the situation where the female can get pregnant but cannot give birth. Therefore, there is a certain difference between the two. There are primary and secondary infertility. Primary infertility refers to those who have never been pregnant or given birth before. Secondary infertility refers to those who have previously been pregnant or given birth, but later, due to some reason or disease, are unable to conceive after living together for more than a year, which is called secondary infertility.

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Written by Kang Jian Hua
Reproductive Center
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Can infertile people get married?

On a voluntary basis, infertile patients who do not have legally specified diseases that impede or postpone marriage can marry. However, marriage is unsuitable in cases such as severe mental illnesses, including schizophrenia and bipolar disorder, severe intellectual disabilities such as dementia, and during an active phase of certain communicable diseases. This includes untreated syphilis, gonorrhea, AIDS, Hepatitis A, open tuberculosis, leprosy, and others. These diseases may potentially harm the other party, and in such cases, one should not marry or should postpone marriage.

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Written by Zhang Wei Wei
Integrative Medicine
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How does infertility arise?

Infertility can be understood as the causes of infertility. We believe that the factors hindering conception are related to both the female and male partners, with the female factors accounting for 60%, male factors accounting for 30%, and factors involving both partners accounting for 10%. There are many causes of female infertility, primarily disorders related to ovulation and fallopian tube factors. Ovulation disorders include dysfunction of the hypothalamic-pituitary-ovarian axis, ovarian diseases, endocrine metabolic diseases, and systemic diseases. Fallopian tube factors mainly include chronic fallopian tube inflammation, fallopian tube malformations, and pelvic adhesions. Then there are uterine factors, which include poor uterine development, uterine malformations, uterine adhesions, and endometrial tuberculosis. The fourth factor is related to the cervix. The fifth involves the vagina and perineum. Male infertility is mainly due to abnormalities in the semen, sexual function, and immune factors.