What Day of the Cycle Does Implantation Occur
Implantation can occur anywhere between 6-12 days after ovulation, which is about days 24-26 of the menstrual cycle

Implantation is an early stage in pregnancy when the fertilized egg attaches to the wall of the uterus.

Implantation can occur anywhere between 6-12 days after ovulation, which is about days 24-26 of the menstrual cycle.

What are signs of implantation?

When a fertilized egg attaches to the uterine wall, it can cause symptoms such as pinkish discharge that typically occurs about 3 days after conception.

Implantation symptoms may not always be present or could be difficult to detect. In some cases, implantation symptoms are very subtle, and many women do not notice them, even if they are actively looking for signs of pregnancy. A few women may notice the following symptoms of implantation:

  • Cramps: Minor cramping is normal for some women right around the time of implantation. There is no way to know for sure what is causing the cramping, as it could be due to the rise in progesterone that occurs during the second half of your cycle.
  • Bleeding: Implantation bleeding or spotting may occur after conception and a few days before your menstrual cycle. Implantation bleeding is light, resolves on its own, and does not necessitate medical attention. It occurs in roughly one-third of all pregnant women.
  • Nausea: Nausea is common in early pregnancy. You may notice changes in your appetite or become suddenly disgusted by foods that you used to enjoy.
  • Bloating: Increased levels of pregnancy hormones can cause bloating.
  • Other signs: Less common signs of implantation may include:

Is implantation bleeding a sign of pregnancy?

Taking a pregnancy test is the most reliable way to determine whether you are pregnant and whether implantation has occurred. The first signs of pregnancy usually start about 4 weeks after implantation. Typically, these include a missed period and morning sickness. Pregnancy tests should be taken once your period is late.

Implantation bleeding occurs in many women in the first trimester of pregnancy. Spotting typically occurs 7-14 days after conception, a few days before the next menstrual cycle. Women frequently confuse their monthly period symptoms with implantation bleeding. 

Many symptoms are not always indicative of pregnancy because they can be caused by a variety of physical and hormonal factors. One in every four pregnant women experiences implantation bleeding or pain, so it is only a sign of pregnancy in a small percentage of cases.

Is it implantation bleeding or period bleeding?

Due to the timing of implantation bleeding, it is easy to mistake it for the start of your upcoming period, but there are some significant differences.

  • Duration: A typical menstrual period lasts 3-7 days, with the first few days being characterized by bright red blood. In contrast, the average duration of implant bleeding is between 24-48 hours. 
  • Bleeding intensity: Bleeding during periods starts heavy and gets lighter as it goes along. Implantation bleeding is light and sporadic and does not follow the more consistent pattern of menstruation.
  • Amount of cramping: Menstrual cramps often begin before the bleeding begins and last for 2-3 days, with the pain ranging from mild to severe. Though cramping may occur with implantation, it is usually mild and lasts a short time.


Nothing can relieve the symptoms of morning sickness. See Answer

What should I do during implantation bleeding?

If implantation bleeding occurs, the following home remedies may be beneficial to relieve discomfort:

  • Rest
  • Hydration
  • Heating pad for cramps
  • Pain medications as advised by your doctor

When should I talk to a doctor about implantation bleeding?

If implantation bleeding is the only symptom and lasts less than 3 days, no medical attention is required. You should, however, keep track of your symptoms and bring this information to your next doctor's appointment.

If you have implantation bleeding with the following symptoms, talk to your doctor immediately:

If implantation bleeding is accompanied by heavy bleeding, see a doctor as soon as possible. Bleeding may occur due to a miscarriage or an ectopic pregnancy.

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Medically Reviewed on 10/14/2022
Image Source: iStock image

Is implantation bleeding common in early pregnancy? https://www.mayoclinic.org/healthy-lifestyle/pregnancy-week-by-week/expert-answers/implantation-bleeding/faq-20058257

Understanding implantation window, a crucial phenomenon. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3409914/

What is Implantation Bleeding? https://americanpregnancy.org/pregnancy-symptoms/what-is-implantation-bleeding/