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All ages referenced from date of fertilization, not last menstrual period.

Caroline & Mike's Pregnancy Calendar

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May 24, 2010 – My baby is due! 20 in (50 cm)
Play movieReady for Birth
   — My thighs are about three inches long and I am ready to go.
   — My heart has beat 54 million times so far, and I'm not even born yet!
   — Here I come, ready or not!
   — Being out is like a breath of fresh air. Thanks for everything Mom!
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May 17, 2010 – My baby is 37 weeks old.  I am 39 weeks pregnant (since LMP). 20 in (50 cm)
Play movieFetal Respiratory Rate
   — I practice my breathing about 70% of the time.
   — My foot has grown to about three inches in length (about 7½ cm).
   — I sometimes drink 450cc (or 15 oz) of amniotic fluid each day.
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May 10, 2010 – My baby is 36 weeks old.  I am 38 weeks pregnant (since LMP). 19 in (49 cm)
Play movieExposure to Loud Noise
   — I deserve an award for passing the 50 million heart beat milestone!
   — My belly is finally as big around as my head.
   — My brain weighs about 300 grams (a little less than ¾ pound).
   — Now I weigh around 3,000 grams (about 6 pounds, 10 ounces).
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May 03, 2010 – My baby is 35 weeks old.  I am 37 weeks pregnant (since LMP). 19 in (48 cm)
Play movieFirm Hand Grasp
   — My hand grasp is firm because I'm getting stronger every day.
   — So far, the bigger I get, the more fluid I have for swimming.
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April 26, 2010 – My baby is 34 weeks old.  I am 36 weeks pregnant (since LMP). 18 in (47 cm)
Play movieFlavor Preferences
   — My feet are now 15 times their length when I was a full-grown embryo!
   — Gaining weight for my newborn photos is now a top priority!
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April 19, 2010 – My baby is 33 weeks old.  I am 35 weeks pregnant (since LMP). 18 in (46 cm)
Play movieAlveoli Formation
   — My weight is up around 2,500 grams (about 5½ pounds).
   — Music I hear during these last weeks of pregnancy will appeal to me later.
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April 12, 2010 – My baby is 32 weeks old.  I am 34 weeks pregnant (since LMP). 18 in (45 cm)
Play movieRapid Brain Growth
   — My lifetime supply of filtration units in my kidneys is now present. I am unable to grow them ever again.
   — My lungs will grow "air pocket" cells from now until I'm 8 years old.
   — Mom, what you eat during pregnancy will likely affect what I prefer to eat later.
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April 05, 2010 – My baby is 31 weeks old.  I am 33 weeks pregnant (since LMP). 17 in (44 cm)
Play movieBehavioral States
   — My brain weighs about 200 grams (a little less than ½ pound).
   — I am really starting to put on weight. I am up to 2,000 grams (almost 4½ pounds)!
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March 29, 2010 – My baby is 30 weeks old.  I am 32 weeks pregnant (since LMP). 17 in (42 cm)
Play movieBreathing Movements
   — My foot is almost 2½ inches long (about 6 cm)—and I have two of them!
   — I breathe much more often than I used to, even without air.
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March 22, 2010 – My baby is 29 weeks old.  I am 31 weeks pregnant (since LMP). 16 in (41 cm)
Play movieFetus Appears Less Wrinkled
   — After 40 million heartbeats, do I need a tuneup?
   — As I gain more and more fat, I become less and less wrinkled. Thanks mom!
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March 15, 2010 – My baby is 28 weeks old.  I am 30 weeks pregnant (since LMP). 16 in (40 cm)
Play movieSound Discrimination
   — My breathing motions are getting deeper and deeper and taking longer and longer.
   — My weight is up around 1,500 grams (about 3 pounds, 5 ounces).
   — I can distinguish sounds of different frequencies.
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March 08, 2010 – My baby is 27 weeks old.  I am 29 weeks pregnant (since LMP). 15 in (38 cm)
Play movieResponse to Light
   — My head is as big as a softball.
   — The pupils in my eyes react to light—just like newborns and big kids.
   — I am hoping to more than double my current weight (3 pounds or 1400 grams) before I'm born.
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March 01, 2010 – My baby is 26 weeks old.  I am 28 weeks pregnant (since LMP). 15 in (37 cm)
Play movieSense of Smell
   — My sniffer is working! What's that smell?
   — I taste what my mother eats.
   — My brain will get 400% to 500% heavier between now and birth.
   — My eyes are ready with tears, if I need to cry.
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February 22, 2010 – My baby is 25 weeks old.  I am 27 weeks pregnant (since LMP). 14 in (36 cm)
Play movieSomersaults
   — My thigh bone (femur) is about two inches long (about 5 cm).
   — My weight is up around 1,000 grams (about 2 pounds, 3 ounces).
   — My foot is about two inches long (about 5 cm) and I have beautiful toes.
   — My eyes can definitely now see in color. I love colors.
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February 15, 2010 – My baby is 24 weeks old.  I am 26 weeks pregnant (since LMP). 14 in (35 cm)
Play movieFetal Respiratory Rate
   — Sometimes I practice fast breathing motions (up to 44 times per minute).
   — Sudden, loud noise causes me to squint and jump. I do not like it!
   — My lungs are making a substance vital for breathing after birth.
   — Loud noise speeds up my heart, and makes me move and swallow too much.
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February 08, 2010 – My baby is 23 weeks old.  I am 25 weeks pregnant (since LMP). 13 in (33 cm)
Play movieBlink-Startle Response
   — My brain weighs about 100 grams (a little less than ¼ of a pound).
   — I practice my breathing exercises about 14% of the time.
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February 01, 2010 – My baby is 22 weeks old.  I am 24 weeks pregnant (since LMP). 12 in (31 cm)
Play movieAge of Viability
   — My heart beat count has passed 30 million beats!
   — The two sides of my brain are no longer symmetrical.
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January 25, 2010 – My baby is 21 weeks old.  I am 23 weeks pregnant (since LMP). 12 in (30 cm)
Play movieSkin and Hair
   — My weight is up around 500 grams (about 1 pound, 2 ounces).
   — No one knows if I dream, but sometimes my eyes move rapidly when I sleep.
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January 18, 2010 – My baby is 20 weeks old.  I am 22 weeks pregnant (since LMP). 11 in (28 cm)
Play movieResponds to Sound
   — My head keeps growing. It is now the size of a tennis ball.
   — My inner ear is already fully developed and fully grown.
   — If I am born prematurely this week, I have up to a 40% chance of surviving with expert medical care!
   — I heard that. Please keep it down!
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January 11, 2010 – My baby is 19 weeks old.  I am 21 weeks pregnant (since LMP). 11 in (27 cm)
Play movieCircadian Rhythms
   — If I am a girl, my ovaries now contain all the “eggs” I will ever have.
   — My body can now make melanin so that I can have nice skin tones.
   — My movement, breathing, and heart rate now follow daily rhythms.
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January 04, 2010 – My baby is 18 weeks old.  I am 20 weeks pregnant (since LMP). 10 in (26 cm)
Play movieVernix Caseosa
   — My sweat glands have arrived.
   — I sometimes move my larynx (voice box), similar to how I will move it when I cry at birth.
   — I wear white cream to keep my skin moist and young looking.
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December 28, 2009 – My baby is 17 weeks old.  I am 19 weeks pregnant (since LMP). 9 in (23 cm)
Play movieBronchial Tree
   — My heart has now beat more than 20 million times!
   — My head is about as big around as my mother's wrist.
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December 21, 2009 – My baby is 16 weeks old.  I am 18 weeks pregnant (since LMP). 8.3 in (21 cm)
Play movieHormonal Stress Response
   — My teeth are growing enamel all over the surface for protection.
   — All air passages inside my lungs have finally arrived and are well formed.
   — My thigh bone (femur) is now about an inch long (or 2½ cm).
   — My body releases stress hormones if I'm poked with a needle.
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December 14, 2009 – My baby is 15 weeks old.  I am 17 weeks pregnant (since LMP). 7.7 in (20 cm)
Play movieBlood Cells and Bone Marrow
   — My belly is making digestive enzymes to break down food. Thank you belly!
   — I am starting to make blood cells inside my bones—just like big kids!
   — My head is bigger than a golf ball—and much better looking too!
   — My foot is about one inch long (about 2½ cm). I probably have the best feet in the family!
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December 07, 2009 – My baby is 14 weeks old.  I am 16 weeks pregnant (since LMP). 6.7 in (17 cm)
Play movieQuickening
   — Girls my age have noticeably more jaw movement than boys.
   — I am strong enough to get my mother's attention with a good kick!
   — I turn toward something touching my mouth. Maybe its food!
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November 30, 2009 – My baby is 13 weeks old.  I am 15 weeks pregnant (since LMP). 6 in (15 cm)
Play movieResponds to Touch
   — My glands are making more and more hormones all the time.
   — My whole body (except for parts of my scalp) responds to light touch.
   — My brand new teeth are under construction.
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November 23, 2009 – My baby is 12 weeks old.  I am 14 weeks pregnant (since LMP). 4.7 in (12 cm)
Play movieTaste Buds
   — Growth spurt! My weight increased 60% this past week.
   — There are taste buds all over the inside of my mouth.
   — I touch my mouth—a lot!
   — Now my arms don't seem so small compared to the rest of my body.
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November 16, 2009 – My baby is 11 weeks old.  I am 13 weeks pregnant (since LMP). 3.7 in (10 cm)
Play movieNose and Lips
   — I'm making all kinds of fancy facial expressions.
   — If you could get a look at my private parts, you could now tell if I am a girl or a boy.
   — My intestines absorb the amniotic fluid I swallow.
   — My nose and lips are in final form.
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November 09, 2009 – My baby is 10 weeks old.  I am 12 weeks pregnant (since LMP). 3 in (8 cm)
Play movieEyes Roll, Yawns
   — My weight increased more than 75% just this week!
   — All my bones are getting hard.
   — My fingernails and toenails are coming in—just like the big kids.
   — The right and left sides of my brain are connecting with each other.
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November 02, 2009 – My baby is 9 weeks old.  I am 11 weeks pregnant (since LMP). 2.4 in (6 cm)
Play movieSucking and Swallowing
   — I open my mouth and can even move my tongue.
   — I have eyelids, but they are fused shut.
   — I can drink whenever I want.
   — I sigh, stretch, and move my head.
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October 26, 2009 – My baby is 8 weeks old.  I am 10 weeks pregnant (since LMP). 1.2 in (3 cm)
Play movieSpontaneous Movement
   — I breathe in and out once in a while, even without air.
   — My skin is getting thicker and harder to see through.
   — I often prefer moving one hand more than the other.
   — If I am a boy, I am now making testosterone just like dad.
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October 19, 2009 – My baby is 7 weeks old.  I am 9 weeks pregnant (since LMP). 0.8 in (2 cm)
Play movieFingers and Toes
   — My heart is almost complete.
   — I now have testes if I am a boy and ovaries if I am a girl.
   — I can turn my head from side to side.
   — As the notches in my hands and feet grow, my fingers and toes emerge.
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October 12, 2009 – My baby is 6 weeks old.  I am 8 weeks pregnant (since LMP). 0.5 in (1 cm)
Play movieHand Movement
   — If my face is touched, I turn away.
   — Someday, my new diaphragm will help me breathe real air.
   — The nerve connections in my spine are forming.
   — I've been told I have nice ears.
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October 05, 2009 – My baby is 5 weeks old.  I am 7 weeks pregnant (since LMP). 9 mm
Play movieHand Plates and Cartilage
   — I have a really big head—it's one third of me.
   — My kidneys are getting ready for action.
   — I have hands but where are my fingers?
   — The main sections of my lungs are just like a grownup's.
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September 28, 2009 – My baby is 4 weeks old.  I am 6 weeks pregnant (since LMP). 5 mm
Play movieThe Heart in Action
   — I am floating inside the amnion.
   — There's a cord where my belly button should be.
   — My windpipe is also forming.
   — Already, my heart beats faster than my mother's!
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September 21, 2009 – My baby is 3 weeks old.  I am 5 weeks pregnant (since LMP). 3 mm
Play movieThe Folding of the Embryo
   — The three main sections of my brain are here.
   — Blood vessels seem to be forming everywhere.
   — My heart is shaped like a long tube.
   — My heart is beating! (3 wks, 1 day)
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September 14, 2009 – My baby is 2 weeks old.  I am 4 weeks pregnant (since LMP). 0.2 mm
Play movieAmnion and Germ Layers
   — The cells that will someday give rise to my own eggs or sperm are already present
   — The cells that will form my very own blood cells are growing in my yolk sac.
   — I have a simple heart, but it doesn't work yet. (20 days)
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September 07, 2009 – My baby is 1 week old.  I am 3 weeks pregnant (since LMP). 0.1 mm
Play movieThe Morula and Blastocyst
   — Some of my cells make a hormone that triggers a positive pregnancy test. (8 days)
   — Great news! I'm surrounded by food!
   — Soon I'll float in the amniotic sac which is now forming. (10 days)
   — I am now firmly established in my mother's womb. (12 days)
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August 31, 2009 – Fertilization (conception) occurs.  I am 2 weeks pregnant (since LMP). 0.1 mm
Play movieCell Division
   — I began as one very special cell—just like everyone else! (Age: 0-1 day old)
   — I started with one cell, now I have two. (30 to 36 hours old)
   — Some say I look like a tiny bunch of grapes. I know I look great! (3 days old)
   — You can already see where my chest and back will grow. (4 days old)
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