Is diarrhea a sign of pregnancy implantation? What are symptoms during very early pregnancy?

Stomach Pain

“Is there any relationship between implantation and diarrhea?”

“Is diarrhea during very early pregnancy the same?”

If you want to get pregnant, you will be very sensitive to small physical changes. And you may wonder what kind of symptoms occur in the body and why there is a chance that you have diarrhea during very early pregnancy.

This article will introduce the mechanism of implantation and what kind of symptoms occur during very early pregnancy.

What does happen during very early pregnancy?

First of all, we will explain the mechanism of very early pregnancy, implantation and so on, and why early pregnancy symptoms occur.

The pregnancy period is divided into three stages: early stage (0-15 weeks), middle stage(16-27 weeks) and late stage(28-births). Although it’s not a medical term, very early pregnancy refers to the period from 0 to 4 weeks even in the early stage. Since the last menstruation start date is counted as 0 week 0 day, the period before ovulation and implantation is also included in the pregnancy period.

The last menstruation start date refers to the first day of menstruation that came last. In the case of a constant menstrual cycle of 28 days, ovulation occurs about 14 days after the last menstruation start date. At that time, ovum and sperm meet and fertilize, and it becomes pregnancy by implantation in the endometrium. Once implanted, hormones are secreted and various symptoms begin to appear on the body. This is a symptom during very early pregnancy.

At this time, even if you use pregnancy test, you will not get right result. If you know there is a chance that you may be pregnant, you should refrain from taking cold medicines or medications such as anti-diarrhea, even if you have symptoms such as dullness or diarrhea.

Taking medicine is not good for you if you already get pregnant. So, check your menstruation and cycle.

When is implanted?

So, when is it time to implant?

If the menstrual cycle is regular with the 28-day cycle, you have ovulation 14 days after the menstruation start date. Therefore, it takes about 12 days for the ovum and sperm to be fertilized and become a fertilized egg, landing in the endometrium and becoming implanted. That is the 26 days, in other words, 3rd week of pregnancy.

Is there any possibilities that an implantation occurs other than the endometrium?

Normally, implantation occur in the endometrium, but there is a possibility that “ectopic pregnancy”, or ” extrauterine pregnancy ” in formal terms, will occur in places that are not endometrium. Ectopic pregnancies occur in the fallopian tube, ovary, cervix and abdomen. In this case, it will be difficult to keep pregnancy.

What happens when implanted?

When fertilized eggs are implanted in the endometrium, hCG (human chorionic gonadotropin) is produced. As a result, hormones such as estrogen (oval hormone) and progesterone (progesterone) that make up the thick endometrium and make a soft bed, are secreted.

Since this hCG will be excreted in the urine from the 4th week of pregnancy, it is only one week after the scheduled menstruation date that you can see the result of positive / negative by commercially pregnancy tests. You may feel like “I want to take a test as soon as possible”, but you need to leave it for a while before using it to get an accurate result.


The next article will introduce that why you may have diarrhea during very early pregnancy and there are any differences between normal diarrhea and one during pregnancy. If you are worried about symptoms, keep reading and learning!

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