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Stages of a Pregnancy and How A Calendar Helps

Updated on November 19, 2013

A happy pregnancy event is designed in three trimesters, a beginning, a middle, and an end or the first the second, and the third trimester. Pregnancy is a 40 week developing growth, counting from the first day of a woman's last regular menstral cycle. The First trimester is week 1 to 12; Second trimester is week 13 to 28; and the Third trimester is week 29 to week 40. However, when people ask you how far along you are, mothers simply just use the easiest statement, which is to state what month they are in.

Fetal Growth From 8 to 40 Weeks


First Trimester

The First trimester weeks are the fertilization process, where the egg grows into cells called blastocyst has attached to the wall of the uterus. The third through the eighth week is called the embryonic stage where the embryo begins developing body organs. The embryo is around 1 inch long during the ninth week and is now known as a fetus. In normal pregnancy growth during the First trimester, the uterus is now about the size of a grapefruit. The organs that are being formed normally, include the heart, the circulatory system, the face is taking shape, the baby's brain, muscles, bones and cartilages are forming, head growth is slowing down, eyelids close to protect the eyes, and the fetus is actually moving which can cause nausea for mothers. Nearing the end of the First trimester, the mother's abdomen has increased, to be called a “baby bump,” and so has the baby's growth, which is about 3 inches long. The embryo in its growth process is very vulnerable to harmful unhealthy substances, such as alcohol, nicotine, and infectious diseases. The general changes taking place within a mothers-to-be body include heartburn, mood swings, cravings, fatigue, swollen tender breasts, and weight changes.

Second Trimester

The Second trimester weeks will involve more active movement from the fetus, especially around the 18 to 22 week periods. The weight of fetus at the end of this trimester is normally around 1.5 pounds and its growth continues as its body skeleton is becoming more pronounced. A thin, nearly clear skin has formed, with its hands more developed, it begins a sucking reflux, many fine thin hair follicles are growing and a protective coating called vernix has formed to protect the skin. Eyelashes, eyebrows, fingernails and toenails have formed, as well as the fetus's hearing and swallowing abilities. At 24 weeks the baby is making blood cells, lungs are forming, and the baby is sleeping and waking. The sex organs have formed for the baby whether it's a boy or a girl, thus an ultrasound can be taken. The symptoms taking place within a woman's body consists of back aches, stretch marks appearing all over the body, an itchy abdomen, and fatigue but somewhat lessened, and a body line that runs from the abdomen to the public areas.

Third Trimester

For the Third trimester weeks consisting of the 28th week to its birth, the baby has grown much larger and its organs have matured exponentially. The baby or fetus is moving around more actively between the 27th and 32nd weeks. At the end of this trimester the fetus takes on a head down position in the uterus. During the early weeks of this trimester, however, the baby's brain is growing, its sucking and breathing habits have increased. Near the end, the baby is turning more often and the baby is producing surfactant, which helps them take their first breaths and mother's are producing colostrums, which leads to breast milk development. New body changes for a women includes breathing that is a little difficult, the breasts are really tender now, the belly button is sticking out further, swelling of the feet, ankles, face, and fingers. Women can also experience false labor contractions.

Pregnancy Calendar


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Pregnancy Calendar

A pregnancy calendar helps mothers-to-be, fathers, and the family to enjoy and share in the baby's amazing growth, week by week and month by month. A calendar keeps track of the baby's development and what your body is going through in each trimester, until the birth. About 10% of a woman's delivery is precisely on time as identified by a physician and 90% deliver within two weeks of the due date. Physical clues help physicians determine due dates or due weeks. Upon visits to the doctor, they will share with pregnant women everything that is developing and by placing this information into a calendar form, helps mothers mentally to follow what is going on in their changing body.

There are varied pregnancy calendars that help to organize each week and each month, to give a pregnant woman a one stop glance at her healthy progress, as well as a peace of mind. A dietary calendar helps women to have a healthy baby and to lessen some of the nausea, aches and pains that they will experience. During the First trimester, a diet should contain Vitamin B6 which eases nausea and iron rich foods which increases blood cells. A Second trimester dietary calendar should include calcium, betacarotene, and Vitamin D for strong bones and teeth for the baby and its brain growth. A Third trimester diet will give mothers added energy in the form of Vitamin K and it also decreases a mother's chance of getting blood clots, as well as increases healthy breast milk.

Meals to help keep pregnant women and their growing bundle of joy, should also contain copper and iodine in the form of cashews, crab meat, kidney beans, low fat yogurt, baked potatoes, cod, and a little iodine salt. Copper and iodine aids in keeping the nervous system and the body's metabolism regulated and fully developed. A healthy daily diet is a necessity for both mothers-to-be and the baby. Keeping track of daily meals is a vital part of each day, which is why a pregnancy dietary calendar keeps everyone on track.

Pregnancy calendars have become an important part of a mothers-to-be scheduled activity. Online calendar guides are featured on nearly all baby sites with fun, active tools that help mother's to track their progress and the baby's development. Many pregnancy calendars also include calculator tools to remind mother's what trimester they are in and their possible due dates. Calendar apps are available for all electronic tablets, i-Pads, i-Phones and smartphones.


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    • monic-alang profile imageAUTHOR

      Monica Langley 

      3 years ago from USA

      Thanks DDE... hope it'll be helpful to others :)

    • DDE profile image

      Devika Primić 

      4 years ago from Dubrovnik, Croatia

      Stages of a Pregnancy and How A Calendar Helps is an informative and helpful hub to all pregnant women. You have explained to the point and presented a lovely photo.


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