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You are 21 weeks pregnant.

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Your baby's blood circulation is completely functional. The umbilical cord system continues to grow and thicken as blood travels with considerable force through the body to nurture the baby. The placenta is now almost equal in size to the baby.

Your baby will be getting much larger during the second half of your pregnancy. Your baby's crown-to-rump length at this time is 7.2 inches and she weighs approximately 10.5 ounces. Your growing baby is about the size of a large banana. You should be able to feel your uterus about a half of an inch above your navel. Your weight gain so far will be around 10 to 15 pounds.

As your baby begins to lay down more fat, your weight will also increase. During the next 10 weeks, you will gain about half of the total gain for your entire pregnancy. Strangers can now tell that you are pregnant! You might notice an increase in appetite because you need 500 more calories a day to support your charged up metabolism. It is best to avoid processed foods or foods high in fat, calories or sugar. Some women also get strong cravings for foods. If you notice a craving for something unhealthy, you should contact your doctor. Craving for unusual things is known as pica. Some women crave cigarette ashes, charcoal, beer and other non-food items during this time.

Your baby's different organs and systems are maturing. The fetal digestive system is functioning in a simple way and your baby can swallow amniotic fluid. After your baby swallows the amniotic fluid, she is able to absorb water and sugars from the fluid and then the waste is passed as far as the large bowel. Your baby swallows the amniotic fluid in order to prepare itself for life outside of the womb. Some babies consume as much as 17 ounces of amniotic fluid in a 24-hour period. Your baby already has a high number of red blood cells and the white blood cells are beginning to be produced. Taste buds are being formed on your baby's tongue this week also.

Don't be surprised if your legs and feet become swollen throughout the day. You should try to get off of your feet some throughout the day and prop your legs up. If you notice a substantial amount of swelling, you should contact your healthcare provider for evaluation.

Comments on week 21

Comments 1-25 of about 25 from week 21
1 messages have been added in the last 24 hours.
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Rissa1 - 2 days ago
Gigix--I'm having a girl too (I'm almost to week 20) and I have a 4 year old daughter as well! Almost everyone in my week are having boys, so I know how you feel about feeling a bit left out. I am excited that my daughter will have a sister though! :)

Gigix - 6 days ago
Thank you anglefree77; we are delighted (whatever the sex). My 4 year old daughter now loves the idea of having a little sister to play with! Roll on March!

angelfree77 - 12 days ago
Congrats on the little GIRL, Gigix!!! I had a dream last night that March was already here lol

Gigix - 12 days ago
Well team pink for me ladies (feeling slightly left out ;-) Roll on March!

kentsmommy - 15 days ago
Wow!!! Boys!!! That's great everyone:) Congrats!

angelfree77 - 15 days ago
Wow...looks like March will be the month of boys!

weber3 - 15 days ago
I am also joining you ladies in team blue. Can't believe I am over the half way mark now.

angelfree77 - 16 days ago
Welcome to Team Blue, TinyLouise!!!

TinaLouise - 19 days ago
Add 1 more to Team Blue for Mar 2016!!! =)

angelfree77 - 26 days ago
I generally don't get on over the weekend, so HAPPY HALLOWEEN everyone!!!!

kentsmommy - 28 days ago
Hello all! JDH - sick again?! Ugh. Hope you feel better soon. As far as insomnia, I haven't had a chance to know if I'm sleepless this time around. It seems that I always have a kid that wakes me no matter what. Last night my little girl was up most of the night with a stomach bug. Poor thing! Angel - Maybe your new baby could 'bring' a girl doll named Holly on his delivery day to give to his big sister? I usually get the older siblings something from the baby on the actual birthday. They are always so excited that the new baby already loves them. It's cute. My older ones still cherish those toys more than all of their others. It's a cute, special gesture:)

angelfree77 - 28 days ago
Thanks, everyone!!!! Oh no, JDH, more nausea!? That stinks :/ I still have insomnia too. I woke up Monday morning at 1:15am and did not go back to sleep. So, that night I couldn't stay up for the Ravens game...oh well. It is really nice to see my husband so excited. He and his dad built cars together and he wants to be able to build cars with his son too, so he's super excited! His dad is really excited too. He keeps saying, 'I can't believe I'm going to have a grandson! ME!' They thought any more grandchildren were out of the question since my step-daughter is 18. Now, her on the other hand, she still needs some convincing that the baby is a boy and not a Holly.

JDH - 29 days ago
I can't believe I didn't say WEEK 21 yesterday! I'm starting to get some nausea back...what!!? It's gross. I can't eat meat and insomnia hits every couple of nights. The joys of pregnancy! Angel, a boy! Yay! I'm so glad your husband is getting more excited. It's understandable that pregnancy is a strange time for our men. I pretty much know what to expect from my hubby and same goes for him. This pregnancy has been tougher than my others though so we will see what the next 20 weeks brings. Is anyone else team GREEN? I feel so alone here! : )

kentsmommy - 29 days ago
Yay angel for team blue! I'm happy for you guys:) It's great when you see daddy start to get excited. I think it is so much harder for them to connect before the birth. My mother in law is excited for a boy as well. She was hoping for another chance to carry on our name as well:)

june2012 - 29 days ago
Congratulations angel!!! Welcome to Team BLUE!

angelfree77 - 30 days ago
It's a boy!!!!! I'm so excited. Now, there will be a boy to carry on our last name! My husband is not an excitable person, but as the day went on, I could tell he was getting more and more excited, so I knew it was a boy. I don't know if we are telling everyone. Our families know, but my sister wants to do a big reveal at the baby shower. The only problem is it's hard to find enough neutral stuff to put on a baby registry.

kentsmommy - 30 days ago
So angel... what is it? Are you telling or keeping a secret? :)

angelfree77 - 30 days ago
Yes, he knew and kept the secret for about 6 whole hours lol I knew he wouldn't be able to keep it a secret. He was busting at the seams, but it was fun to see him try. I knew before he told me though, by his reaction and the things that he said.

JDH - 33 days ago
I've been tempted today to peek in our envelope. Your husband knows?

angelfree77 - 33 days ago
It was fun! The baby is perfect! And everything looks good with me too! My husband got the picture with the gender revealed on it. I still do not know.

JDH - 33 days ago
Yay! Have fun!

angelfree77 - 33 days ago
Hi JDH! Except for the heartburn at night, I am feeling pretty good! I'm excited today...we go for our anatomical survey! Yippee!

JDH - 34 days ago
Hi angel! How are you feeling?

angelfree77 - 34 days ago
It's lonely up here in week 21...

angelfree77 - 36 days ago
21w2d today!!!!!!!

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Members in week 21:
  1. ElaineRose - 03 Apr 2016
  2. flyswim12 - 04 Apr 2016
  3. Justine - 04 Apr 2016
  4. Tryingfor4 - 05 Apr 2016

The due date from members in week 21 is from Thursday 31 March 2016 up to & including Wednesday 6 April 2016. See the full timeline here

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