3 Weeks Pregnant Symptoms, Baby Development, Ultrasound

3 Weeks Pregnant Symptoms, Baby Development, Ultrasound

3 Weeks Pregnant; Congratulations, you are now officially pregnant. Being three weeks pregnant means that one of your partner’s sperm cells and one of your egg cells have combined, and you are in the earliest stages of pregnancy. If, by chance, you released two eggs and both were fertilised, you will be pregnant with non-identical twins. However, you won’t know this; all this activity is taking place deep within one of your fallopian tubes, at a tiny, microscopic level. At three weeks pregnant, you still have a few weeks before you begin to feel the effects of pregnancy hormones in your body.

250 million sperm are racing toward your egg. When your partner’s sperm meets your egg, your new baby’s life begins. Within 30 hours of fertilisation, the newly fertilised egg, now known as a zygote, undergoes its first division to form two cells. This is the first of billions of divisions and changes that will occur in the first few weeks of pregnancy. You probably won’t feel the tremendous changes happening inside you right now. However, your amazing body has already gone into overdrive to create a friendly environment for the newly fertilised egg.

It does this by producing a pregnancy protein known as the Early Pregnancy Factor (EPF), an immune suppressant that prevents your body from rejecting the growing zygote, which is now approximately 1 cm in length. At this point, the dividing cell cluster steadily moves through the fallopian tube toward the uterine cavity. Once it arrives, it will attach itself to the uterine wall and implant. This journey to the uterus takes approximately one week.

Some women begin to feel that they are pregnant during this period, but there are other early pregnancy symptoms to look out for.

3 Weeks Pregnant

3 Weeks Pregnant: Your Body

3 Weeks Pregnant, it is important to consume adequate amounts of certain nutrients such as folic acid, protein, calcium and iron for your baby’s development. Folic acid supplementation is especially important because folic acid helps prevent defects in the neural tube (the structure that forms the brain and spinal cord) that occur very early in pregnancy. Your protein intake should increase during pregnancy to support the formation of new tissue.

Calcium helps with the development of bones and teeth, so make sure to include dairy products, leafy green vegetables, and legumes (such as beans, peas, and lentils) in your diet. Iron is important during pregnancy to support your baby’s increasing blood volume. Good sources of iron include red meat, legumes, eggs, and leafy green vegetables.

• Corpus luteum and pregnancy hormones

For now, it may seem like nothing is happening outside during the 3 Weeks Pregnant — but only for the next few weeks. If your timing was right and you had sex during ovulation, your egg has been fertilised by a lucky sperm, and your body is preparing to accommodate the blastocyst (which will soon become your baby!) as it travels to the uterus and settles in for the next nine months.

So what’s happening this week? Immediately after the egg is released, the follicle it came from is replaced by a new tenant called the corpus luteum, a yellowish cell mass that fills the space left by the egg. The corpus luteum begins producing enough progesterone and a little oestrogen to nourish and support the future baby until the placenta takes over in about 10 weeks.

Meanwhile, about a week after fertilisation, the blastocyst (or soon-to-be embryo) implants into the uterine lining, and the placenta begins to form. Six to 12 days after implantation (around the 4th week of pregnancy), the cells of the newly developing placenta begin to produce human chorionic gonadotropin (hCG).

HCG, which rises during the first trimester and declines during the second trimester, signals your ovaries to stop releasing eggs and triggers increased production of progesterone and oestrogen, which prevents the uterine lining from shedding and supports the growth of the placenta. As you will see later, all these hormones play an important role throughout your pregnancy and cause a series of changes in your body, as well as symptoms such as morning sickness (yay?).

Traces of hCG can be detected in urine and blood, which explains why you need to urinate on a stick for home pregnancy tests and why your obstetrician will perform a blood test at your first appointment; however, you may not get a positive result on a pregnancy test for one or two weeks.

• Pregnancy and sense of smell

Are smells suddenly seeming stronger than usual at 3 weeks pregnant? This could be a sign that you’re pregnant! An increased sense of smell is a very real side effect of pregnancy caused by hormones like oestrogen and hCG, and it amplifies every little smell in the air around you (good, bad, and ugly). It could be the food cooking at the restaurant in your neighbourhood, the rubbish on the street corner, or your partner’s cologne or perfume; your sharper sense of smell might be picking up on these things more than usual.

What’s the downside to your new superpower? It can make your morning sickness worse. If that’s the case, stay away from the kitchen and local restaurants as much as possible, make friends with the microwave (which tends to produce less odour), and open the windows.

You can also try washing your clothes more frequently and switching to unscented toiletries. Don’t hesitate to ask your partner, family, and friends to clean up after exercising, use less perfume, and brush their teeth after eating garlic pasta or onion burgers.

3 Weeks Pregnant

Physical changes during the 3 Weeks Pregnant

• It is still too early to know for sure that you are pregnant. Even if you suspect that you are pregnant and have stopped using birth control, you will need to wait a few more weeks to know for sure that you are three weeks pregnant.
• Some women are convinced that they can tell they are pregnant as soon as they conceive. They report a strange taste in their mouth, feeling different or odd, or sensing that something is happening. Being 3 weeks pregnant is still a very early stage, and hormonal changes are likely not responsible for symptoms at this point. However, we cannot dismiss what many women swear is true.
• ed to succeed. There is no need to be extra cautious about physical activity or changing your usual routine. If one of your eggs has been fertilised, it already knows where to go and what to do.

Emotional changes at 3 Weeks Pregnant

• You may feel a bit ‘anxious’ because you want time to pass faster to find out if you are successful. Hang in there—if you are 3 weeks pregnant, this is an essential early stage of your baby’s development. It cannot be rushed.

Fertilisation at 3 Weeks Pregnant

Fertilisation at 3 weeks pregnant is the fusion process between your egg and a single sperm, which takes approximately 24 hours. Only one sperm reaches the centre of the egg, but many compete to be the sole one. Once a sperm succeeds, the egg builds a protective barrier around itself to prevent others from entering. Eventually, the other sperm give up trying. If an egg is fertilised by a single sperm and divides separately, identical twins form at this very early stage.

The newly fertilised egg is now officially called a zygote and begins to divide into more cells by approximately day 3, with the number of cells increasing from 2 to 12. The zygote is still in the fallopian tube at this stage but is steadily making its way towards the uterus, where it will hopefully remain for approximately 37 more weeks.

Small finger-like hair-like projections called cilia line the fallopian tube and gently move the zygote to prevent it from implanting in the wrong place. The fertilised egg’s journey to the uterus takes approximately 60 hours, during which time there are 60 cells, each with a pre-determined role and specific function. The outer cells will form the placenta, while the inner cells will form the baby.

About a week after fertilisation in the fallopian tube, the egg implants into the uterine lining. By this point, 100 cells have gathered together, forming what is known as a blastocyst. At 3 Weeks Pregnant, the pregnancy hormone Human Chorionic Gonadotropin (HCG) is produced, and this is the hormone detected in your urine or blood when a pregnancy test is performed. If signals to continue producing HCG are not received, the uterine lining is no longer needed and is shed during your next period.

3 Weeks Pregnant: Baby Development

Even if you don’t yet feel pregnant at 3 Weeks Pregnant, there is a baby growing and developing inside you!

Your baby is newly conceived, but is already working overtime. The fertilised egg undergoes cell division. Approximately 30 hours after fertilisation, it divides into two cells, then four, then eight, and continues to divide as it moves from the fallopian tube to the uterus. When it reaches the uterus, this group of cells looks like a small ball and is called a morula.

The morula empties and fills with fluid — it is then known as a blastocyst. By the end of this week, the blastocyst will attach itself to the endometrium, the lining of the uterus. This is called implantation. Implantation in the uterus creates a vital connection — the endometrium provides nutrients to the developing embryo and removes waste. Over time, this implantation site will develop into the placenta.

Your soon-to-be-born foetus will officially become a blastocyst, a ball of approximately 100 cells, from a single fertilised egg. When this happens, these cells will multiply rapidly and nestle into the lining of your uterus within a few days. Later, during the 4th week of pregnancy, it will make its journey from your fallopian tube to your uterus, ready for implantation—this journey may take a few more days. The inner cell mass will become the embryo and the amniotic sac. The outer cell mass will become the placenta.

How many months is a 3 Weeks Pregnant?

If you are 3 weeks pregnant, you are in your first month of pregnancy. Only 8 months to go! Still have questions? For more information on how weeks, months, and trimesters are divided during pregnancy, you can follow our Week-by-Week Pregnancy Guide.

How much has my baby grown in the 3 Weeks Pregnant?

This week (3 Weeks Pregnant) you ovulated, and the moment you’ve been waiting for has finally arrived: you’re pregnant! So your soon-to-be-born foetus has begun a miraculous transformation from a single-celled embryo into a jumping boy or girl. When the winning sperm penetrates the outer layer of the egg, the single-celled fertilised egg (zygote) immediately forms a barrier to prevent other sperm from entering.

However, your zygote does not remain alone for long. Within hours, it divides into two cells, then four, and continues dividing until the growing cluster reaches approximately 100 cells just a few days after that critical first meeting between sperm and egg. Some will form the embryo, others the placenta, but for now, it’s just a microscopic ball of cells, about one-fifth the size of the period at the end of this sentence.

Can the gender be determined at 3 Weeks Pregnant?

So, will your single little cell miraculously become a girl or a boy? While it will take months to find out for certain (if you decide to find out before the due date), believe it or not, this extraordinary decision has already been made.

Ready for a quick biology lesson? A fertilised egg contains 46 chromosomes — 23 from each biological parent. The mother always provides an X chromosome, but the father can provide either an X or a Y chromosome. If the sperm that fertilises your egg carries an X, the XX zygote will be a girl. If the sperm carries a Y, your XY zygote will be a boy.

3 Weeks Pregnant

3 Weeks Pregnant: Symptoms

Here are a few pregnancy symptoms you may begin to notice at this stage:

• Increased sense of smell
  Things you may not have noticed before may start to smell a little stronger. HCG and oestrogen hormones intensify the smell of everything around you, good or bad, and may increase your morning sickness.
• Abdominal pressure
  Cramps during pregnancy may resemble menstrual cramps and are actually a sign that everything is going well and nothing is wrong. What you are feeling may be the embryo implanting, your uterus growing, or the uterine lining thickening. Everything is fine, so don’t worry.
• Metallic taste in the mouth
  If you have a taste in your mouth like you have a coin in it, rest assured you’re not going crazy. This is a very normal symptom and is again caused by the hormonal changes in your body. It should improve by your second trimester.
• Sensitive and painful breasts
  This may feel like an exaggerated version of how your breasts feel before your period. Again, sore breasts are caused by your hormones, and some women may even notice that their nipples have darkened.
• Bleeding
  This is the slight spotting that occurs when the fertilised egg implants itself in your uterus. If you experience pain along with this bleeding, contact your family doctor, as it could be a sign of an ectopic pregnancy. While some people may not notice any changes or symptoms during this early stage of pregnancy, a missed period is often a sign that something is wrong. Others may experience all of the above and more, but remember that every body is different, and your symptoms may change soon in this early stage.

3 Weeks Pregnant: Tips

• Get through the “two-week wait”
  You’ve tracked your cycle, determined your ovulation time, and been busy between the sheets – now you have to wait… and wait… and wait. There is a window between ovulation and the day your period arrives called the two-week wait, and for many women, these 14 days or more can be filled with anxiety. Use this time to binge-watch a TV series or tackle your to-do list (you may not have that much time once the baby arrives). Or, if you’re feeling particularly stressed, go for a walk, read a book, or keep a journal.
• Boost your iron and vitamin C levels
  Add some fruit to your cereal. Adding vitamin C-rich foods to iron-rich foods can increase your body’s iron absorption, which helps support your baby’s developing blood supply and increases your chances of a healthy pregnancy. You can find vitamin C in fruits and vegetables such as oranges, grapefruits, kiwis, mangoes, strawberries, melons, bell peppers, tomatoes, and asparagus. Iron is found in soy, beef, poultry, and dried fruits.
• Is it time to take a pregnancy test?
  In the past, you had to wait for your period to be late before taking a home pregnancy test (HPT) and then wait a few hours to get the results. Today, you can find out if you’re pregnant earlier, faster, and with greater accuracy than ever before (of course, the accuracy increases as you get closer to your missed period). So, theoretically, you could take one this early if you wanted to! However, after missing your period, it can take a week or more for your body to produce enough of the pregnancy hormone human chorionic gonadotropin (hCG) to be detected in a test. If you’re late and the test is negative, try again in a few days.
• Cut alcohol from your menu
  Now that you’re in baby-making mode, it’s time to swap your cocktail for a non-alcoholic one. Excessive drinking not only disrupts your menstrual cycle and makes it harder to conceive, but it can also increase the risk of birth defects. Avoiding alcohol completely is best, but don’t stress if you accidentally had a few drinks before finding out you were pregnant. One or two drinks—especially this early in your pregnancy—are unlikely to cause serious harm.
• What are your chances of having twins?
  More twins and triplets are being born in Turkey than ever before. However, the chance of conceiving twins is still low—about 3 in 100. Still, if there are twins in your family (even if only on your mother’s side) or if you have previously given birth to twins, your chances of having twins increase. Fertility treatment also increases the likelihood of multiple pregnancies; according to one study, approximately one-third of twin births and three-quarters of triplet, quadruplet, and other high-order multiple pregnancies result from such treatments.
• Keep replenishing your fluids
  These days, you’re drinking for two, so keep up your fluid intake; aim for about eight to 12 glasses a day. Water helps your body absorb essential nutrients and transport them to blood cells and then to the placenta. Instead of drinking a whole bottle of H2O at once, try to spread your fluid intake throughout the day (drinking all your fluids at once can make you feel uncomfortably full). Choose water, mineral water, flavoured waters, fruit and vegetable juices (or diluted fruit juice), or weak caffeine-free herbal tea. If your urine is pale or colourless, you are drinking enough fluids.

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