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Pregnancy Calendar :

First Trimester (From Week 1 - To Week 13)

  • 01
  • 02
  • 03
  • 04
  • 05
  • 06
  • 07
  • 08
  • 09
  • 10
  • 11
  • 12
  • 13
Week 1:
  • 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.
Week 2:
  • 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 vaginal secretions.
  • 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.
Week 3:
  • 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.
Week 4:
  • 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.
Week 5:
  • 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.
Week 6:
  • 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.
Week 7:
  • 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.
Week 8:
  • 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.
Week 9:
  • 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.
Week 10:
  • 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.
Week 11:
  • 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.
Week 12:
  • 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?
Week 13:
  • 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)

  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
Week 14:
  • 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.
Week 15:
  • 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.
Week 16:
  • 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.
Week 17:
  • 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.
Week 18:
  • 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).
Week 19:
  • 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.
Week 20:
  • 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.
Week 21:
  • 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.
Week 22:
  • 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!
Week 23:
  • 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.
Week 24:
  • 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.
Week 25:
  • 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.
Week 26:
  • 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)

  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
Week 27:
  • 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.
Week 28:
  • 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.
Week 29:
  • 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.
Week 30:
  • 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.
Week 31:
  • 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.
Week 32:
  • 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.
Week 33:
  • 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.
Week 34:
  • 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.
Week 35:
  • 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.
Week 36:
  • 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.
Week 37:
  • 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.
Week 38:
  • 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.
Week 39:
  • 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.
  • Relax!
Week 40:
  • 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!
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