Medically reviewed by Valinda Riggins Nwadike, MD, MPH — written by Kimberly Holland — updated on September 23, 2021

While pregnancy tests and also ultrasounds are the only ways to know if you’re pregnant, you deserve to look out for various other signs and symptoms. The earliest indications of pregnant are an ext than a missed period. Lock may likewise include:

smell sensitivity

Though it might sound odd, your first week of pregnancy is based upon the day of your last expression period. Your last menstrual duration is considered week 1 the pregnancy, also if girlfriend weren’t in reality pregnant yet.

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The meant delivery date is calculated making use of the first day of her last period. For the reason, you might not have actually symptoms throughout the first couple of weeks of your 40-week pregnancy.

If you’re pregnant, girlfriend may an alert early signs such as:

missed periodfatiguenauseatingling or aching breastsbloatingtemperature changes

Other indicators may include:

faster heartbeatbreast and also nipple changesnoticeable weight gain

From mainly 1 to 4, whatever is still happening on a cellular level. The fertilized egg creates a blastocyst (a fluid-filled group of cells) that will build into the fetus’s organs and also body parts.

About 10 come 14 days (week 4) after ~ conception, the blastocyst will implant in the endometrium, i beg your pardon is the lining that the uterus. This can cause implantation bleeding, which may be mistaken because that a light period. That does not happen for everyone. If the does occur, that will normally happen around the time you mean your period.

Here space some indicators of implantation bleeding:

Color. The color of each episode might be pink, red, or brown.Bleeding. Implantation bleeding is typically much less than her usual period. That often defined as light bleeding that never ever turns right into a circulation or sufficient to need a tampon.Pain. ache is typically milder than your usual menstrual pain. It may involve some cramping. It deserve to be middle or severe, yet it’s most often mild.Episodes. Implantation bleeding is likely to last less than 3 days and does not require treatment. It have the right to sometimes last only a couple of hours.


If friend think you might be suffering implantation bleeding:

Avoid smoking, drink alcohol, or using illegal drugs, all of which have the right to be associated with heavy bleeding.Do not usage a tampon if girlfriend think you might be having implantation bleeding and also not her usual period. Making use of a tampon could lead come a better risk the infection.

Once implantation is complete, her body will start making human chorionic gonadotropin (hCG). This hormone helps the body preserve the pregnancy. It likewise tells the ovaries to stop releasing tires eggs every month.

You will most likely miss her next duration 4 weeks after ~ conception. If you commonly have an rarely often, rarely period, you’ll want to take it a pregnancy test to confirm.

Most residence tests have the right to detect hCG as quickly as 8 job after a let go period. A pregnant test will be able to detect hCG levels in your urine and also show if you are pregnant.


Take a pregnancy test to see if you pregnant.If it’s positive, call a physician or midwife to schedule your an initial prenatal appointment.If you’re on any medications, ask your doctor whether lock pose any risks come the pregnancy.

A greater basal body temperature may be a sign of pregnancy. Her body’s core temperature may also increase much more easily through exercise or in warm weather. During this time, make sure to drink much more water and exercise cautiously.

Fatigue can construct anytime during pregnancy. This symptom is typical in beforehand pregnancy. Your progesterone levels will certainly soar, which deserve to make you feel sleepy.


Keeping your bedroom cool can likewise help. Her body temperature may be greater during the at an early stage stages that pregnancy.

Around weeks 8 to 10, your heart may begin pumping faster and harder. Palpitations and arrhythmias are typical in pregnancy. This is normally due to hormones.

According to a 2016 review of studies, your blood circulation will increase between 30 and 50 percent during your pregnancy. This to add to your heart’s workload.

You may have actually discussed any type of underlying heart concerns with your medical team before conception. If not, currently is the time to discuss any kind of conditions or necessary medications.

Breast alters can occur in between weeks 4 and also 6. You’re most likely to build tender and also swollen breasts because of hormone changes. This will likely go far after a couple of weeks when your body has readjusted to the hormones.

Nipple and also breast alters can likewise occur about week 11. Hormones proceed to reason your breasts come grow. The areola — the area around the nipple — may adjust to a darker color and also grow larger.

If you’ve had actually bouts through acne before your pregnancy, you may experience the exaggerated again.


Relieve chest tenderness by purchase a comfortable, supportive maternity bra. A cotton, underwire-free bra is often the many comfortable.Choose a bra v varying clasps that offers you more room come “grow” in the comes months.Purchase breast pads that fit into your bra to reduce friction on your nipples and nipple pain.

Your estrogen and also progesterone levels will certainly be high throughout pregnancy. This boost can affect your mood and also make you more emotional or reactive than usual. Mood ferris wheel are typical during pregnancy and also may reason feelings of:


During pregnancy, your body rises the lot of blood it pumps. This reasons the kidneys to process much more fluid 보다 usual, which leader to more fluid in her bladder.

Hormones also play a big role in bladder health. Throughout pregnancy, you may uncover yourself running to the bathroom more frequently or by chance leaking.


Drink around 300 milliliters (a little an ext than a cup) the extra fluids each day.

Similar to symptoms of a expression period, bloating might occur throughout early pregnancy. This may be as result of hormone changes, i beg your pardon can also slow down your cradle system. You can feel constipated and also blocked as a result.

Constipation can additionally increase feel of abdominal muscle bloating.

Nausea and morning sickness usually develop around weeks 4 to 6 and peak roughly week 9.

Although it’s dubbed morning sickness, that can happen anytime throughout the day or night. It’s unclear specifically what reasons nausea and morning sickness, but hormones might play a role.

During the first trimester the pregnancy, plenty of women experience mild to major morning sickness. It might become an ext intense towards the end of the an initial trimester, but often becomes less severe as you get in the 2nd trimester.


Keep a parcel of saltine crackers by your bed and eat a couple of before you get up in the morning to assist settle morning sickness.Stay character language by drink plenty the water.Call your doctor if friend cannot save fluids or food down.

In many cases, high or typical blood press will drop in the early on stages the pregnancy. This may additionally cause feel of dizziness because your blood vessels space dilated.

High blood pressure, or hypertension, together a an outcome of pregnant is more difficult to determine. Practically all instances of hypertension within the an initial 20 weeks suggest underlying problems. That may build during early on pregnancy, however it may also be existing beforehand.

A medical expert will take your blood pressure throughout your very first doctor’s visit to help establish a baseline for a typical blood pressure reading.


Ask your medical professional about personal dietary indict to aid reduce high blood pressure.Drink sufficient water and also snack on regular basis to help prevent dizziness. Standing up gradually when obtaining up indigenous a chair may additionally help.

Smell sensitivity is a symptom of at an early stage pregnancy that’s greatly self-reported. There’s little scientific evidence around smell sensitivity during the first trimester. However, it can be important, due to the fact that smell sensitivity may create nausea and also vomiting. The may likewise cause strong distaste for details foods.

You may experience one of two people a heightened or minimized sense of smell throughout pregnancy, follow to 2017 research. This is especially common during the first and 3rd trimesters. Heightened odor is much more common than minimized smell. Some smells that never bothered you before may come to be less pleasing or even cause nausea.

The good news is that your feeling of smell generally returns to regular after delivery, or in ~ 6 to 12 main postpartum.

Weight get becomes more common towards the finish of your first trimester. Friend may uncover yourself gaining about 1 come 4 pounds in the first few months.

Calorie references for at an early stage pregnancy won’t change much from your usual diet, yet they will boost as pregnancy progresses.

In the later on stages, pregnant weight regularly shows increase in the:

breasts (about 1 come 3 pounds)uterus (about 2 pounds)placenta (1 1/2 pounds)amniotic fluid (about 2 pounds)increased blood and also fluid volume (about 5 to 7 pounds)fat (6 to 8 pounds)

Hormones can cause the valve between your stomach and also esophagus come relax. This allows stomach acid to leak, leading to heartburn.


Prevent pregnancy-related heartburn by eat several tiny meals a day instead of larger ones.Try to remain sitting upright because that at the very least an hour after eating to assist your food digest.

Many civilization may start saying you have the “pregnancy glow.” The combination of increased blood volume and greater hormone levels pushes much more blood v your vessels. This causes the body oil glands to occupational overtime.

The increased task of your body’s oil glands offers your skin a flushed, glossy appearance. Top top the various other hand, you may additionally develop acne.

You can generally know if you pregnant 1 mainly after you’ve missed a period. The Office top top Women’s health in the U.S. Room of Health and also Human Services states that acquisition a home pregnancy test at this allude will give a more accurate result.

Home pregnancy tests space inexpensive and widely obtainable without a prescription in pharmacies and also other stores.

You deserve to take a test previously than this if girlfriend want, however you operation the hazard of getting a false an unfavorable result. This means the test may say you’re not pregnant, yet in fact you are.

If you take it a house pregnancy test as well early, there might not be sufficient hCG in her urine yet because that the check to detect it. House pregnancy tests work-related by testing the quantity of hCG in your urine. This is a hormone it is only present in the blood and also urine the pregnant people.

Also, every person’s body chemistry is a little bit different. One human may acquire a positive an outcome as beforehand as a day after their period, while an additional person’s positive results may not present up for an additional week. So, early test results might not be the many accurate.

Blood exam can regularly detect hCG earlier in a pregnancy than urine tests. Blood tests have the right to sometimes provide a positive result as early on as 6 to 8 days after friend ovulate, if urine tests carry out so around 3 weeks after ovulation.

Unlike at-home to pee tests, blood tests room usually excellent in a clinical setting. Call your physician if you want this form of test.

Symptoms the pregnancy prefer nausea, fatigue, and also breast tenderness sometimes happen even before you miss out on a period. This symptoms may offer you an idea the you’re pregnant, yet they space not certain proof. Only a test will tell because that sure.


If girlfriend think you could be pregnant, the finest time to take it a residence pregnancy test is 1 main after you first miss a period. Follow to the national Institute of kid Health and also Human development in 2017, residence pregnancy tests are 97 percent accurate when used properly at the ideal time.

A blood test can often reveal a pregnancy lot earlier, but it should be excellent at a doctor’s office or in a clinical setting.

If you acquire a positive an outcome on a home pregnancy test, you should call your doctor right away, follow to the Office top top Women’s Health. The doctor can prescribe a much more sensitive test and also perform a pelvic exam to call for details if she pregnant.

To save you and the fetus healthy, the Office top top Women’s wellness recommends you watch a medical professional as at an early stage as possible in your pregnancy. You can then schedule continuous prenatal visits throughout your pregnancy.

Many of the human body changes and also symptoms of pregnant you endure in the very first trimester will start to fade as soon as you with the second trimester. Talk v your doctor around any symptoms the interfere with your day-to-day life. Together, you can try to discover relief and also comfort for your pregnancy.

To obtain week-by-week guidance around early pregnant symptoms and more, authorize up for our i’m Expecting newsletter.

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Your body will certainly go through far-reaching changes in beforehand pregnancy. You might see signs such as nausea, breast tenderness, and, the course, the hallmark symptom that a missed period.

If you think you might be pregnant, a good very first step is to take it a residence pregnancy test. This tests room widely obtainable without a prescription in pharmacies and other stores.

If you obtain a optimistic result, speak to a doctor for an appointment. Castle will carry out an examination and a additional test to check your pregnancy. You have the right to then acquire started ~ above a prenatal program to safeguard the health and wellness of you and the fetus.

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Medically the evaluation by Valinda Riggins Nwadike, MD, MPH — composed by Kimberly Holland — update on September 23, 2021