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Maybe your period’s late, or you’ve noticed other changes in your body and now you’re wondering if you may be pregnant.

The best way to find out is to take a home pregnancy test. If it turns out positive, it’s time to make an appointment with your GP or midwife.

Curious to know what’s going on inside your belly at one month pregnant? Read on to learn more about your little one’s development at this stage and discover some of the symptoms and signs of pregnancy you might be experiencing at this time.

Common Pregnancy Symptoms at 1 Month Pregnant

How Is My Baby Developing This Month?

One Month Pregnant: Your Body’s Changes

How Far Along Am I at 1 Month Pregnant?

FAQs at a Glance

Checklist for When You’re 1 Month Pregnant

Common Pregnancy Symptoms at 1 Month Pregnant

If you don’t ‘feel’ pregnant yet, don’t worry. It’s common to have few or no symptoms at all in the first month of pregnancy. In fact – strange as it may sound – for around the first half of this month you aren’t even physically pregnant yet.

This is because, once your pregnancy is confirmed, the number of weeks left until your due date will be counted from the first day of your last period.

Even if you aren’t feeling any different yet, plenty of physical and emotional changes and symptoms could be just around the corner. Signs of pregnancy you might experience at one month pregnant or soon after can include:

  • A missed period. If you have a regular menstrual cycle, the first tell-tale sign of pregnancy in the first month might be a missed period. Keep in mind, though, that even if you’re pregnant it’s still possible to have a very light period at this stage.
  • Mood changes. The hormones produced by your body when you’re pregnant can also affect how you feel. So, if you find that you’re getting upset and emotional more easily than usual, these mood swings might be a symptom of pregnancy.
  • Bloating. If you’re feeling bloated this also might be due to the surge of hormones that kicks in during early pregnancy, playing havoc with your digestive system. Eating more often, but keeping the meals smaller; drinking fluids in smaller sips; and cutting down on rich fatty foods and coffee may help avoid triggering this common symptom of pregnancy.
  • Cramps. Some mums-to-be experience cramping that may feel a little like period pains in the first month of pregnancy. This isn’t usually anything to worry about, but call your doctor or midwife if you experience stomach pain or bleeding, discomfort when peeing or during a bowel movement, or pain in the tip of your shoulder. These could be signs of an ectopic pregnancy (when the fertilised egg implants outside your uterus), so any symptoms like that need to be checked out as soon as possible.
  • Spotting. Spots of blood in your underwear – especially around the time you’d usually have your period – might be implantation bleeding. Some mums-to-be experience this when the embryo embeds itself into the lining of the uterus.
  • Frequent urge to pee. When you’re pregnant, you might feel the need to urinate more frequently than usual. In fact, you might find that extra night-time visits to the loo are interfering with your sleep patterns. If this happens, try not drinking immediately before going to bed, and cutting down on caffeine-based drinks like coffee, which can make you want to pee more. It’s important to stay hydrated though, so make sure you continue to drink plenty of fluids during the day.
  • Sore or tender breasts. Your breasts could be starting to feel swollen and tender, and the veins might be more visible. Your nipples may also darken and stick out more.
  • Increased vaginal discharge. It’s very common to have more thin, clear or milky vaginal discharge when you’re pregnant, as this is your body’s way of protecting against infections. If you notice discharge that has a strange or unpleasant smell or is green or yellow, call your doctor or midwife as this could be a vaginal infection. Other signs of a vaginal infection include itching around the vagina, or pain when urinating.
  • Fatigue. It’s not unusual for hormonal changes to make you feel tired during pregnancy, especially in the first one to three months or so.
  • Nausea. Some mums-to-be experience nausea and vomiting during the first trimester. This is often referred to as morning sickness, but it can strike at any time of day. If you get it, morning sickness usually starts a little later at around six weeks after your last period. The good news is that it usually clears up in the second trimester, at between 16 and 20 weeks pregnant.
  • Constipation. If you’re feeling a little blocked up at one month pregnant, it’s probably down to those hormones. Many mums-to-be get constipation in the very early stages of pregnancy. You can try to avoid constipation by eating a healthy diet with the right amount of fibre. Good sources of fibre include fruit, vegetables, pulses (such as beans and lentils) and wholemeal breads and cereals. Iron supplements may also cause constipation. If you’re taking them and think you may be constipated, ask your doctor whether it’s OK to stop taking them, or change to a different type.
  • Food aversions and cravings. Are you suddenly craving foods that you never even liked before, or perhaps can’t stomach your usual favourites? Cravings and aversions like this are caused by the hormones surging through your body, which can alter your sense of taste and smell. It’s OK to give in to cravings every so often, but do try and stick to a balanced diet. If you get really strange cravings, like a desire to eat dirt or coal, talk to your doctor or midwife. This could be a sign of iron deficiency, which is dangerous unless properly managed.

How Is My Baby Developing This Month?

Around three weeks after the first day of your last period, the fertilised egg travels slowly down the fallopian tube towards your uterus. Here it burrows into the lining of the uterus, where it will grow and develop as an embryo.

Around this time, the outer cells are forming connections with your blood supply. In a few weeks from now, your placenta will be fully formed ready to take over the job of supplying blood and nutrients. Until then, your baby is being nourished by the yolk sac that surrounds the embryo.

Meanwhile, the inner cells of the embryo are forming into layers that will eventually grow to become all the different parts of your little one’s body.

1 Month Pregnant: Your Body’s Changes

You probably won’t be noticing any changes to your body at one month pregnant, but there’s already a lot going on under the surface. At this stage, it’s important to prepare your body for pregnancy and childbirth.

An important part of this is getting good nutrition. Talk to your doctor or midwife about taking prenatal vitamins, and learn about how to make sure you’re eating the right amounts of iron and calcium, carbohydrates and protein.

‘Eating for two’ is just a figure of speech, by the way – there’s no need to increase your calorie intake during pregnancy. This isn’t usually a good time to go on a diet either though.

Your doctor or midwife will be able to give you personalised advice on how much weight gain is normal during pregnancy.

It’s also a good idea to read up on what foods to avoid while you’re pregnant.

It may be helpful to start an exercise routine this month, or to continue with your existing one. Staying in shape while you’re pregnant will help you adapt more easily to the changes you’re about to go through.

Check with your doctor or midwife to find out what kind of activities are safe during pregnancy.

Pelvic floor exercises are especially useful during pregnancy, as they strengthen the muscles that you’ll be using during delivery. These simple muscle clenches not only help prepare your body for childbirth, they will also lower the risk of incontinence afterwards. Your midwife or doctor can help you figure out how to do these, if you’re unsure.

How Far Along Am I at 1 Month Pregnant?

At one month pregnant, you’re at the start of the first trimester. The weeks of pregnancy don’t fit neatly into months, but as a rule of thumb, the first month usually includes week 1 through to week 4.

Pregnancy is also divided up into three main stages, known as trimesters, which break down approximately as follows:

First trimester: weeks 1 to 12
Second trimester: weeks 13 to 27
Third trimester: week 28 to week 40 and beyond.

How Is My Due Date Calculated?

At one month pregnant, you’re probably keen to know when your little one will arrive. Our Due Date Calculator can give you a rough idea, but you’ll be given a more accurate date at your dating scan, which is usually offered at between 11 weeks and 14 weeks of pregnancy.

Your due date is calculated as 40 weeks from the first day of your last menstrual period. Keep in mind that your due date is just an estimate. Most mums-to-be go into labour a week or so either side of the due date.

FAQs at a Glance

How soon can I take a home pregnancy test?

Most home pregnancy tests start to be accurate from the day your missed period would have started, although some more sensitive tests claim to work even earlier than this – even as early as eight days after conception. If you don’t know when to expect your next period, it’s advisable to do the test at least 21 days after last having unprotected sex. Keep in mind that a positive result is usually accurate, but negative tests are less reliable. If you think you’re pregnant but the test doesn’t agree, try again after a few days.

Will I have a belly at one month pregnant?

You might experience a little bloating in the early stages of pregnancy, but you probably won’t be showing a belly at one month pregnant.

Is it safe to exercise during the first month of pregnancy?

Exercise during pregnancy is usually perfectly safe, as long as you get the all-clear from your doctor or midwife. You might prefer to continue with your usual exercise routine, or take up more gentle forms of exercise like swimming, walking or pregnancy yoga.

How we wrote this article
The information in this article is based on the expert advice found in trusted medical and government sources, such as the National Health Service (NHS).
The content on this page should not replace professional medical advice. Always consult medical professionals for full diagnosis and treatment.

Checklist for When You’re 1 Month Pregnant

If you haven’t already been to the appointment, schedule and take your baby to his 1-month-old health checkup.

Sign up for a baby first aid course and encourage others who care for your baby to attend along with you. If you’re unsure where to find such a course near you, ask your healthcare provider — they’ll know one in your local area.

If you’re eager to know what’s ahead next month, take a look at what you might experience once your baby is 2 months old.

Speak to your loved ones about how you’re feeling. Having a baby brings a lot of big changes to your life, and it’s common to experience all sorts of emotions during this time. Sharing your feelings can often help. If you feel you’d like to talk to someone outside your family or circles of friends, there are plenty of support groups to turn to. Your midwife or doctor will be able to point you in the right direction.

For more information, sign up to get our regular emails:

Checklist for When You’re 1 Month Pregnant

If you haven’t already been to the appointment, schedule and take your baby to his 1-month-old health checkup.

Sign up for a baby first aid course and encourage others who care for your baby to attend along with you. If you’re unsure where to find such a course near you, ask your healthcare provider — they’ll know one in your local area.

If you’re eager to know what’s ahead next month, take a look at what you might experience once your baby is 2 months old.

Speak to your loved ones about how you’re feeling. Having a baby brings a lot of big changes to your life, and it’s common to experience all sorts of emotions during this time. Sharing your feelings can often help. If you feel you’d like to talk to someone outside your family or circles of friends, there are plenty of support groups to turn to. Your midwife or doctor will be able to point you in the right direction.

For more information, sign up to get our regular emails:

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