Our Baby Journey2 weeks pregnant
2 weeks pregnant is in the first month of pregnancy. You are in week 2 of 40, in the first trimester. Here is what is happening with your baby and your body this week.
Your baby at 2 weeks
An egg is maturing in one of your ovaries. Ovulation usually happens at the end of this week, and fertilization can follow within about a day.
Still no baby this week, but this is when the egg that may become your baby gets ready. One follicle in your ovary has become dominant and produces more and more estrogen. When estrogen peaks, your brain responds with a sudden surge of luteinizing hormone (LH), which triggers ovulation, typically about a day or so later.
At ovulation, the follicle releases a mature egg into the nearby fallopian tube. The egg can only be fertilized for about 12 to 24 hours. Sperm, however, can survive in the reproductive tract for up to about five days, which is why sex in the days before ovulation can lead to pregnancy.
After the egg is released, the empty follicle turns into the corpus luteum, which makes progesterone to keep the uterine lining thick and ready for implantation.
Your body at 2 weeks
You may notice clearer, stretchy cervical mucus and a slight rise in body temperature around ovulation.
Around ovulation, your cervical mucus often becomes clear, slippery, and stretchy, similar to raw egg white, which helps sperm travel. Some people feel a brief twinge or ache on one side of the lower belly, sometimes called mittelschmerz. After ovulation, progesterone causes a small rise in your resting body temperature. Your sex drive may also increase. Not everyone notices these signs, and that is completely normal. Ovulation timing also varies between people and from cycle to cycle, so it does not always fall exactly on day 14.
Your belly at week 2
In month 1 (weeks 1–4) there is no visible change to your belly, and your uterus has barely changed size.
Belly size and shape vary a lot depending on your build, whether this is your first pregnancy, your baby's position and the amount of amniotic fluid. At checkups your doctor or midwife may measure your fundal height to track your baby's growth, and may arrange an ultrasound if the measurement is quite different from what they expect.
Symptoms at 2 weeks pregnant
- Clear, stretchy cervical mucus
- Mild one-sided pelvic twinge
- Slight rise in resting body temperature after ovulation
- Increased sex drive
- Mild breast tenderness
Tips for week 2
- Keep taking folic acid every day.
- Ask your doctor whether any medicines you take are safe in pregnancy.
- Eat a balanced diet and stay active.
Common symptoms in the first trimester
The first trimester runs from week 1 to week 13. It is when your baby's major organs, spine and heart form, and when many people feel the most tired and nauseous. Not everyone has every symptom, and it is normal for symptoms to come and go. Common ones include:
- Nausea and vomiting (morning sickness), which can happen at any time of day
- Tiredness and needing more sleep
- Tender, swollen breasts
- Needing to urinate more often
- Food aversions or cravings and a metallic taste
- Mood swings
- Light spotting around implantation
Read the full first trimester guide.
When to call your doctor or midwife
Contact your healthcare provider or maternity unit straight away, or get emergency care, if you have:
- Vaginal bleeding
- Severe or persistent abdominal pain or cramping
- A severe headache, blurred vision, or sudden swelling of your face, hands or feet
- A fever of 38°C (100.4°F) or higher
- Fluid leaking from your vagina
- Severe vomiting where you cannot keep fluids down
- Your baby moving less than usual or a change in their pattern of movements (later in pregnancy)
- Regular contractions before 37 weeks
- Pain or burning when you urinate
- Feeling very low, anxious, or having thoughts of harming yourself
Have a question about week 2?
Ask our AI pregnancy assistant about symptoms, nutrition, scans or anything else on your mind this week.
Frequently asked questions
How big is my baby at 2 weeks pregnant?
An egg is maturing in one of your ovaries. Ovulation usually happens at the end of this week, and fertilization can follow within about a day.
How big is my belly at week 2 of pregnancy?
In month 1 (weeks 1–4) there is no visible change to your belly, and your uterus has barely changed size. Bump size, shape and when you start to show vary a lot from person to person.
When is the best time to have sex to get pregnant?
Your most fertile days are the few days leading up to ovulation and the day of ovulation itself. Because sperm can live for several days, having sex every two to three days throughout your cycle is a simple approach that covers your fertile window without needing to pinpoint the exact day.
How can I tell if I am ovulating?
Common signs include egg-white cervical mucus, a mild ache on one side, and a small temperature rise after ovulation if you track your basal body temperature. Over-the-counter ovulation tests detect the LH surge in urine and can help identify your most fertile days. Cycle-tracking apps give estimates but are less reliable on their own.
Can I get pregnant if I have irregular periods?
Yes, but it can be harder to predict when you ovulate. Ovulation tests and tracking cervical mucus may help. If your periods are very irregular, or you have not conceived after a year of trying (or six months if you are 35 or older), talk to your doctor, as some conditions affecting ovulation are treatable.
What trimester is 2 weeks pregnant?
Week 2 is in the first trimester, which covers weeks 1 to 13.
How many months is 2 weeks pregnant?
2 weeks pregnant is in the first month of pregnancy. The first month covers weeks 1 to 4. Pregnancy is about 40 weeks, or roughly 9 months, counted from the first day of your last period.
This page is general educational information and is not a substitute for advice from your doctor or midwife. Every pregnancy is different, and baby sizes are approximate averages. Last updated 2026-11-07. See our medical disclaimer.