Pregnancy Calendar :
First Trimester (From Week 1 - To Week 13)
- Approximate day of your last menstrual cycle.
- If you smoke, this is the time to quit. Speak to your doctor about smoking cessation program.
- Speak to your health care provider about any current medications and their health risks to the developing fetus.
- Look at your work and home environment for potential environmental hazards.
- Schedule a dental exam prior to pregnancy to take care of any necessary dental work to avoid unnecessary exposure to x-rays.
- Taking prenatal vitamins now with extra folic acid helps promote maternal and fetal health and Prevent neural tube defects.
- Drugs are a serious threat to fetal development. They should be avoided during pregnancy.
- Getting a health physical for you and your husband prior to conception is helpful to
avoid potential medical problems.
- Now is the time to talk with your husband about parenting and pregnancy.
- Ovulation should be occurring within the next several days. Look for increased mucus in
- Caffeine's effect on developing baby is unknown. It is best to avoid caffeine during pregnancy.
- If you have a regular exercise routine, usually there is no reason to stop.
- If you haven't found a doctor, now is a good time to start looking for one.
- Based on a 28 day cycle, the last day of this week is the approximate date of conception.
- Once sperm enters egg, the egg splits and forms nuclei of ovum.
- Sex of your baby is determined at the moment of fertilization
- Until day 15, baby is considered a zygote.
- The fused nucleus then divides into two parts - each containing equal amounts of male and female genetic material.
- The zygote travels through the fallopian tube towards the uterus (implantation).
All the time its cells are dividing until it is a little ball of 64 separate cells called morula. Amazing!
- The zygote is fed by uterine “milk” (or secretions from uterine glands) at this time.
- The amniotic sac begins to form at the time of implantation.
- The yolk sac and umbilical cord also begin to form.
- It is possible to receive positive results from a home pregnancy test at this time,
but they are more accurate if taken after a missed period.
- You may be feeling symptoms of pregnancy now such as nausea, fatigue, and breast tenderness.
- You may be noticing more frequent urination and increased vaginal discharge.
- If you have a 28 day cycle, you should note an absence of your menstrual cycle by the end of this week.
- Baby is approximately 1 mm long.
- Your baby is now called an embryo.
- Baby's neural tube forms, heart begins to form, and blood begins to circulate.
- Mom may notice nasal congestion and nosebleeds during pregnancy.
- Mom's blood volume begins to increase. Mom will have 45% more blood by the third trimester.
- Baby's liver begins to function.
- Mom's feelings about pregnancy range from ambivalence, excitement, to nervousness. All are normal.
- Baby is approximately 2 mm long.
- Normal weight gain during pregnancy is 25 - 35 pounds. During the 1st trimester expect a 3 1/2 - 5 pound gain.
- Baby's limb buds are noticeable now.
- Baby's mouth, jaw, and esophagus are forming.
- Baby's heart begins to beat, although only visible through ultrasound.
- Start taking Folic Acid
- Eat dry crackers. It may help with morning sickness.
- Plan rest periods throughout the day to help with fatigue.
- Baby's crown to rump length is 4-6 mm. Baby weighs about 0.4 grams
- Baby's brain begins to form and cranial nerves are formed.
- Baby is C shaped now and has a tail.
- Mom may be experiencing mood swings and/or irritability.
- Baby's placenta development begins.
- Baby's eyes, ears, mouth, nose, lip, tongue, and teeth are forming.
- Schedule first prenatal appointment and have blood work done.
- Baby's crown to rump length is 8 mm or 0.30 inches. Baby weighs about 0.8 grams.
- Mom may notice changes in skin pigmentation during pregnancy.
- Baby's bones begin to form.
- Baby's mouth, nose, and lips are recognizable.
- Baby's sex glands appear.
- Baby's fingers and toes are present, although they may still be webbed.
- Check your bra fitting.
- More rest is needed.
- Baby's crown to rump length is 12 mm or 0.50 inches. Baby weighs about 1 gram.
- Baby's external ears are developing
- Mom's clothing is probably getting tight now.
- Baby's optic nerve and eyelids are developing.
- Baby's arms and legs are moving now. This would be visible on ultrasound.
- You may be able to hear your baby's heartbeat via doppler.
- Wash your face several times a day to help with skin breakouts.
- Start drinking lots of water to avoid stretch marks.
- Continue taking Folic Acid.
- Baby's crown to rump length is 20 mm or 0.75 inches. Baby weighs about 2 grams.
- Baby's muscles in trunk, limbs, and head are developing.
- Male and female genitalia still look very similar.
- Development of heart is complete.
- Your baby very clearly looks like a baby now.
- Some women experience only mild pregnancy symptoms.
- Apply warm or cold compresses to help with headaches.
- Stay constantly hydrated and eat food high in water such as watermelon and cantaloupe.
- Don't forget Folic Acid.
- Baby's crown to rump length is 2.5-3.0 cm or 1.2 inches. Baby weighs about 3-5 grams.
- All organ systems and external structures are present now.
- Baby's head is almost half of your baby’s size.
- Your baby's face is well formed.
- Pregnant moms require more oxygen. You may feel short of breath.
- Eat small healthy meals. Skipping meals because of morning sickness will likely make nausea worse.
- Start wearing some maternity clothes now.
- Book your first antenatal check.
- Take Folic Acid.
- Baby's crown to rump length is 3-5 cm or 1.2-2.0 inches. Baby weighs about 8 grams.
- Baby's fingers and toes begin growing soft nails.
- Baby's intestines are developing.
- Baby's bladder sac is formed.
- Boy babies begin producing testosterone.
- Congratulations! You have completed your first trimester.
- Perform kegel exercises to help curb urinary incontinence.
- Go for your first antenatal check.
- Are you drinking enough water?
- Baby's crown to rump length is 5-6 cm or 2.0-2.4 inches. Baby weighs about 14 grams.
- Baby's skin is pink and delicate.
- Baby is making hormones such as insulin now.
- Baby's liver is producing bile.
- Pregnancy amnesia kicks in. You may find yourself more forgetful.
- Sleeping on your belly is likely impossible. Try sleeping on your side. Using a body pillow at night may help with discomfort.
- Keep exercising! Have you tried yoga?
Second Trimester (From Week 14 - To Week 26)
- Baby's crown to rump length is 7-9 cm or 3.0-3.5 inches. Baby weighs about 35 grams.
- Baby's tooth sockets are forming.
- Baby's hair follicles develop.
- Sleeping with your head elevated may help with night time heartburn.
- Exercises performed laying flat on your back should be avoided now.
- If you haven’t picked one already, you are probably looking for baby names.
- Baby's crown to rump length is 9-10 cm or 3.5-4.0 inches. Baby weighs about 50 grams.
- Baby begins to inhale and exhale amniotic fluid (practicing breathing).
- Morning sickness has hopefully disappeared. Baby has meconium present in the intestines now.
- Mom may find her skin drier during pregnancy. Lotions may help.
- Moms may experience leg cramps. Make sure to stretch legs when they occur.
- Some women experience carpal tunnel syndrome during pregnancy.
Talk to your doctor if you experience muscle aches in your hands and wrist.
- Stay hydrated.
- Continue exercising.
- Baby's crown to rump length is 10-11 cm or 4-4.3 inches. Baby weighs about 100 grams.
- Baby may be sucking its thumb.
- You may be starting to feel baby move now. First time moms may not feel baby move till closer to 20 weeks.
- Baby's sex is distinguishable now. If you have an ultrasound it is possible to detect the baby's gender this early.
- You will probably be asked if you want blood work done for alpha fetoprotein testing
(a screening for neural tube defects or Down's syndrome).
- You may feel frustrated that you are too big for your regular clothes, but don't quite fit into maternity clothes.
- Craze on healthy snacks.
- Keep your fluids up.
- Baby's crown to rump length is 11 or 12 cm or 5 inches. Baby weighs about 100-150 grams.
- Baby's eyes and ears are in their proper place now.
- Baby's circulatory system is completely functional.
- Baby's sweat glands are developing.
- You may have back pain during pregnancy. Try wearing a pregnancy support belt. If you have other children,
try having them sit on your lap instead of carrying or lifting them.
- Eat high fiber foods such as fruits, veggies, and bran cereal which may help with constipation.
- Stay high on fluids and healthy snacks.
- Try swim aerobics.
- Baby's crown to rump length is 13.5 cm or 5.3 inches. Baby weighs about 150-200 grams.
- Fine hair called lanugo is starting to appear.
- Baby's fingerprints and toeprints are forming.
- Baby's teeth begin to form enamel.
- Mom may be experiencing round ligament pains - pain or discomfort on one or both sides of abdomen.
- Start shopping for baby clothes and baby furniture.
- Eat lots of fruit.
- Cram in the calcium.
- Keep on exercising (but don't overdo it).
- Baby's crown to rump length is 15 cm. Baby weighs about 250 grams.
- Baby is sucking and swallowing.
- Try talking to your baby. Baby can hear you.
- Baby may assume favorite positions.
- Moms may have a white vaginal discharge known as leucorrhea.
- Moms may experience bleeding gums when brushing teeth.
- You may have to be creative and try different positions during sexual intercourse.
- Steady on the caffeine.
- Baby's crown to rump length is 16 cm or 6.3 inches. Baby weighs about 300 grams or 10.5 ounces.
- Fetal heartbeat can be heard with fetoscope.
- Baby's skin becomes less transparent. Baby can grasp things.
- Elevate your feet and legs when resting or sitting to help with swelling.
- If you developed hemorrhoids, ice packs or topical ointments may help.
- Now is a good time to register for childbirth preparation classes.
- Baby's crown to rump length is 18 cm. Baby weighs about 300-350 grams.
- Vernix, a white lanolin-like covering, appears on baby to protect its skin.
- Baby's nipples now appear on mammary glands.
- Moms might have more vivid dreams or nightmares.
- Now is the best time to have an ultrasound if you want to know the baby's gender.
- If you are planning to breastfeed, a breastfeeding class is recommended.
- Baby's crown to rump length is 19 cm. Baby weighs about 350-425 grams or 12.3-15 ounces.
- Baby's eyelashes and eyebrows are growing.
- Baby's total length (head to toe) is approximately 10 inches.
- Baby now sleeps and wakes on a somewhat regular schedule.
- During the second trimester, moms feel less fatigue and more energy.
- If you get hemorrhoids, try to drink plenty of water and get foods high in fiber.
- Continue on those healthy snacks!
- Baby's crown to rump length is 20 cm. Baby weighs about 425-500 grams.
- Baby is starting to make antibodies.
- Dad may be able to see or feel baby’s movements.
- Baby's heartbeat is getting stronger.
- Some moms have difficultly wearing contacts during pregnancy. This usually resolves 6 weeks postpartum.
- Moms may start to worry about weight gain. Nutrition during pregnancy is vital for proper development.
- Sex life may be affected. Dad may have fears of hurting you or baby. You may desire sex more or sex
drive may go down during pregnancy.
- Start preparing for maternity leave.
- Oily fish is great for you.
- Baby's crown to rump length is 21 cm or 8.3 inches. Baby weighs about 500-600 grams.
- Bleeding and blurred vision are some danger signs in pregnancy.
- Baby's lungs are developing. Alveoli are forming.
- Baby has developed a hand grip reflex and startle reflex.
- Baby is getting bigger and has less space to move around.
- Mom may be experiencing Braxton Hicks Contractions.
- Try sleeping on your side to help with the dizziness.
- Remember to put your feet up every now and then.
- Have a try at listening to your baby's heartbeat.
- Baby's crown to rump length is 22 cm or 8.7 inches. Baby weighs about 600-700 grams.
- Baby's eyes are completely developed and will open soon.
- Baby's skin is red and wrinkled.
- More than half of babies born now will survive.
- Mom may worry about having signs of preterm labor.
- Try using heat, if you’re having problems with leg cramps.
- Avoid standing for long periods of time.
- Continue on exercising daily like going for a walk.
- Baby's crown to rump length is 23 cm or 9 inches. Baby weighs about 700-800 grams.
Baby’s total length (head to toe) is approximately 11 inches.
- Baby's brain looks like a mature brain now.
- Alveoli appear in the lungs and begin producing surfactant.
- Mom may notice increased shortness of breath.
- If you have had a prior cesarean birth you may be considering a vaginal birth after cesarean.
- Eat lots of greens and keep your fluids up.
Third Trimester (From Week 27 - To Week 40)
- Baby's crown to rump length is 24 cm or 9.4 inches. Baby weighs about 850-1000 grams.
- Baby’s eyes open.
- Baby has a strong grip.
- Baby is able to cry.
- Moms are averaging a 1/2-1 pound weight gain per week now.
- Moms may be experiencing groin pains.
- Congratulations you have finished your second trimester!
- You may be offered a blood test to check for anaemia around this time.
- Baby's crown to rump length is 25 cm or 9.8 inches. Baby weighs about 1000-1100 grams.
- Baby starts to recognize mom's voice in third trimester.
- If baby is a boy, testes are descending.
- Braxton Hicks contractions may be increasing.
- Mom should start monitoring fetal movements through daily kick counts.
- You should be tested for gestational diabetes now.
- You will probably begin seeing your health care provider every 2 weeks now.
- If your blood is Rhesus negative, (about one in seven of the population is)
your blood will be checked for antibodies now. Treatment may be needed.
- Baby's crown to rump length is 26 cm or 10.2 inches. Baby weighs about 1100-1250 grams.
- Baby is 2/3 its final size.
- Baby is picking up body fat and filling out.
- Baby is able to partially control its own body temperature now.
- Mom may be experiencing increased urination again.
- Talk to your health care provider about guidelines to call when having contractions.
- If you are experiencing heartburns, ask your doctor or pharmacist as to which antacids are safe to take.
- Start reading about breastfeeding.
- Baby's crown to rump length is 27 cm or 10.6 inches. Baby weighs about 1300-1400 grams.
- Baby's total length (head to toe) is approximately 15.5 inches.
- Baby has rhythmic breathing, but lungs are still not fully mature.
- Baby's eyes respond to light.
- Baby's bones are fully developed.
- Now is a good time to practice relaxation exercises.
- Mom should discuss options available to her if she should need a cesarean section.
- Go to antenatal classes.
- Baby's crown to rump length is 28 cm or 11 inches. Baby weighs about 1500-1600 grams.
- Baby's kicking may be stronger and more vigorous.
- Baby's heart rate is about 120-160 beats per minute.
- Baby sleeps most of the time now and has period of REM sleep.
- You may be experiencing leaking urine or stress incontinence.
- You should report lack of fetal movement to your health care provider immediately.
- If you notice colostrum leaking into your bra, use breast pads to soak up.
- Insomnia is normal at this stage, try relaxation and breathing techniques.
- Baby's crown to rump length is 29 cm or 11.4 inches. Baby weighs about 1700-1800 grams.
- Baby is gaining weight more rapidly now.
- Baby begins storing iron, phosphorous, and calcium.
- Baby's testicles (if a boy) may be located in the scrotal sac now.
- You may be put on bed rest if there are signs of preterm labor.
- You may be anxious and restless about labor, Yoga may be a great relaxation aid.
- Now is a good time to discuss birth control options with your health care provider.
- If you work, then it’s time to sort out your maternity leave.
- Baby's crown to rump length is 30 cm or 11.8 inches. Baby weighs about 1900-2000 grams.
- Baby appears less red and wrinkled now.
- Babies born at this time have a good chance of survival, but will require extra care.
- Baby's kidneys are fully developed.
- Headaches, blurred vision and excessive swelling are signs of preeclampsia.
- Moms may experience increased shortness of breath.
- It is a good idea to take rings off during the third trimester if you are having problems with swelling.
- If you are uncomfortable at night, try lying on your side, with your lower leg bent at the knee, supported on a pillow.
If you get a cramp, rub the affected muscles briskly, and wiggle your toes.
- Baby's crown to rump length is 31 cm or 12.2 inches. Baby weighs about 2100-2250 grams.
- Baby is becoming increasingly cramped for space, but is still very active.
- Many baby's eyes are blue at birth, but change color later.
- Your sex drive may decrease during the third trimester.
- Drinking more water will help with swelling.
- If you are itching, try soothing it with some pregnancy-safe oils and creams.
- Baby's crown to rump length is 33 cm or 13 inches. Baby weighs about 2350-2550 grams.
- Baby should be turned head down and preparing for birth.
- Baby's lanugo hair is starting to disappear.
- During the last weeks of pregnancy it would be best not to do any lengthy travels.
- Talk to your health care provider about pain relief options during labor.
- Baby's crown to rump length is 34 cm or 13.4 inches. Baby weighs about 2600-2750 grams.
- Baby's total length (head to toe) is approximately 18.5 inches.
- Baby's fingernails reach the end of fingers.
- Group B strep is a lab test that is commonly done between 35-37 weeks.
- Now is a good time to pack your bag for the hospital. Do not forget to have a camera packed.
- You will start having once a week appointments now.
- Baby's crown to rump length is 35 cm or 13.8 inches. Baby weighs about 2850-2950 grams.
- Both boy and girl babies may have swollen breasts when born.
- Increased mucous vaginal discharge is common in the last few weeks of pregnancy.
- Bloody show is one sign of labor.
- Babies born now are considered full term.
- False labor is fairly common. It is always safer to go in and be checked.
- You may have a vaginal exam to check for dilation and effacement.
- A bit of walking will help make your labor easier.
- Baby's crown to rump length is 35-36 cm or 13.8-14.2 inches. Baby weighs about 3000-3100 grams.
- Baby girls will have a pink or mucousy vaginal discharge during the first few days after birth.
- Backaches and menstrual type cramps may be early signs of labor.
- Increased pelvic pressure is another sign of early labor.
- Any last minute preparations? It's best to get them over with now.
- Do not forget your daily walk.
- Baby's crown to rump length is 36-37 cm or 14.2-14.6 inches. Baby weighs about 3200-3250 grams or 7-7.2 pounds.
- Baby's skin is pink and smooth now.
- If baby's head is not downward, you may have a cesarean birth. Walking may help to encourage labor.
- Diarrhea, nausea, and indigestion are all possible signs of early labor.
- Re-check your hospital bag.
- Baby's crown to rump length is 37-38 cm or 14.6-15 inches. Baby weighs about 3400-3450 grams.
- You may have a sudden burst of energy.
- Only a little more than 10% of women’s water breaks before the onset of labor.
- Non-stress tests are usually done if baby goes past its due date.
- Baby's total length (head to toe) is approximately 21.5 inches.
- Your doctor will likely schedule an induction if you go past 41- weeks.
- Congratulations you have reached your due date!