10 Early Signs of Pregnancy: What to Expect in Week 1

by - August 31, 2023

10 Early Signs of Pregnancy: What to Expect in Week 1


Pregnancy is a wonderful journey which brings about several changes in a woman's body and life. Early signs of pregnancy in the first week are one of the most expected phases. It's a time of wonder and investigation, from the thrill of missed periods to the little shifts occurring within. In this blog post, we will discuss the early signs of pregnancy in week 1, as well as how to know for sure if you are pregnant.

10 Early Signs of Pregnancy: What to Expect in Week 1

During the first week of pregnancy, many women might not even be aware that conception has occurred. However, there are some initial changes that start taking place:

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  • Missed Period: 

A missed period is one of the first signs that typically leads women to think about pregnancy. This happens because the fertilised egg conforms to the uterus, causing the typical menstrual cycle to come to a halt.

  • Hormonal Changes:

Pregnancy is defined by hormonal changes. During the first week of pregnancy, the body begins manufacturing human chorionic gonadotropin (hCG), a hormone that aids in keeping track of the pregnancy. These hormonal fluctuations might cause mood swings and appetite problems.

  • Implantation Bleeding: 

This is light spotting or bleeding that occurs about 10-14 days after conception. It is caused by the fertilised egg implanting in the lining of the uterus.

  • Breast Tenderness: 

Your breasts may become tender, swollen, and sore in the first week of pregnancy. This is due to the increased levels of hormones in your body.

  • Fatigue: 

Feeling unusually tired or drowsy is another common sign. The body is working to establish a secure environment for the growing embryo, which can lead to feelings of exhaustion. This is also due to the increased levels of hormones.

  • Nausea and Vomiting: 

Morning sickness is not usually a sign of pregnancy in the first week. However, some women may experience nausea or vomiting in the first few weeks after conception.

  • Increased Basal Body Temperature:

Monitoring your basal body temperature might reveal a slight increase during the first week of pregnancy. This can be a subtle indicator of the body's change in hormonal levels.

  • Mood swings: 

You may experience mood swings in the first week of pregnancy. This is due to the hormonal changes that are happening in your body.

  • Heightened Sense of Smell

A heightened sense of smell is a quirky sign that some women experience during week 1. Certain odours might become overwhelming or unpleasant.

  • Increased Urination: 

You may need to urinate more often in the first week of pregnancy. This is because your kidneys are working harder to remove waste products from your body.

What Causes These Early Signs?

The early signs of pregnancy in the first week are primarily driven by hormonal changes. The surge in hCG triggers many of the physical and emotional changes experienced during this time.

Frequently Asked Questions (FAQs)

Q: Can you feel pregnancy symptoms after only one week?

A: It's quite rare to experience noticeable symptoms within the first week. Most early signs are subtle and may not be easily distinguishable.

Q: Is a missed period the most reliable sign of pregnancy?

A: While a missed period is a strong indicator, it's not foolproof. Other factors can also cause irregular periods.

Q: How accurate are home pregnancy tests during week 1?

A: Home pregnancy tests can vary in accuracy during the first week. Waiting a few more days can yield more reliable results.

Q: Can stress mimic early pregnancy symptoms?

A: Yes, stress can lead to changes in the menstrual cycle and mimic some early pregnancy symptoms, making it important to consider various factors.

Q: Should I make lifestyle changes during the first week of pregnancy?

A: It's advisable to maintain a healthy lifestyle from the moment you suspect you're pregnant. However, drastic changes should be discussed with a healthcare provider.

Q: When should I consult a doctor if I suspect pregnancy?

A: If you've missed a period and suspect pregnancy, it's a good idea to consult a doctor for accurate testing and guidance.


The first week of pregnancy is marked by small modifications and potential early signs. Many of these indications may be missed, but they mark the start of a wonderful trip. Remember that each pregnancy is unique, and it is essential to seek the advice and care of a healthcare expert.

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