For women who have a regular monthly menstrual cycle, the earliest and most reliable sign of pregnancy is a missed period. Women who are pregnant sometimes have a very light period, losing only a little blood.
Some of the other early pregnancy signs and symptoms are listed below. Every woman is different and not all women will notice all of these symptoms.
You may feel sick and nauseous, and/or vomit. This is commonly known as morning sickness, but it can happen at any time of the day or night.
For most women who have morning sickness, the symptoms start around six weeks after their last period.
Read more about coping with nausea and morning sickness in pregnancy.
If you're being sick all the time and can't keep anything down, contact your doctor. The pregnancy condition hyperemesis gravidarum (HG) is a serious condition that causes severe vomiting and needs treatment.
It's common to feel tired, or even exhausted, during pregnancy, especially during the first 12 weeks or so. Hormonal changes taking place in your body at this time can make you feel tired, nauseous, emotional and upset.
Read more about tiredness in pregnancy.
Your breasts may become larger and feel tender, just as they might do before your period. They may also tingle. The veins may be more visible, and the nipples may darken and stand out.
You may feel the need to pee (urinate) more often than usual, including during the night.
Other signs of pregnancy that you may notice are:
During early pregnancy, you may find that your senses are heightened and that some foods or drinks you previously enjoyed become repellent. You might notice:
A positive test result is almost certainly correct. A negative result is less reliable. If you get a negative result and still think that you may be pregnant, wait a week and try again.
Find out about taking a pregnancy test.
If you are pregnant, use the pregnancy due date calculator to work out when your baby is due.
Important: Our website provides useful information but is not a substitute for medical advice. You should always seek the advice of your doctor when making decisions about your health.