Pregnancy Week By Week

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Pregnancy week 1-2
Pregnancy week 3
Pregnancy week 4
Pregnancy week 5
Pregnancy week 6
Pregnancy week 7
Pregnancy week 8
Pregnancy week 9
Pregnancy week 10
Pregnancy week 11
Pregnancy week 12
Pregnancy week 13
Pregnancy week 14
Pregnancy week 15
Pregnancy week 16
Pregnancy week 17
Pregnancy week 18
Pregnancy week 19
Pregnancy week 20
Pregnancy week 21
Pregnancy week 22
Pregnancy week 23
Pregnancy week 24
Pregnancy week 25
Pregnancy week 26
Pregnancy week 27
Pregnancy week 28
Pregnancy week 29
Pregnancy week 30
Pregnancy week 31
Pregnancy week 32
Pregnancy week 33
Pregnancy week 34
Pregnancy week 35
Pregnancy week 36
Pregnancy week 37
Pregnancy week 38
Pregnancy week 39
Pregnancy week 40

Pregnancy Week 4		(–)Pregnancy Week 3		(+) Pregnancy Week 5
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Your Baby

Changes In Your Growing Baby
During pregnancy week 4 your baby starts implanting into the lining of your uterus. The uterus will safely and securely house your baby for the remaining weeks of your pregnancy week by week. Your baby will start resembling a tiny tadpole more than a ball of cells during 4 weeks pregnant. This week your baby's amniotic cavity starts to form. From this cavity the placenta will grow and nourish your baby throughout your pregnancy.

• Also see Pregnancy Week 4

Many substances are harmful for babies and can cause fetal malformations or deformities. Common substances that are known to be harmful include tobacco and alcohol. Substance abuse of any kind is contraindicated during pregnancy. If you have problems with any of these substances you should consult with your healthcare provider. Together the two of you can work out a plan of action for ensuring the health and safety of your baby during your pregnancy. Fortunately there are many support groups that support recovering addicts during their pregnancy. Remember it is vital to your health and the health of your unborn baby that you are open and honest with your healthcare practitioner about your lifestyle habits.

Your Body's Development
By 4 weeks pregnant you should be anxiously hoping that Aunt Flo will skip you buy this month. For many women the first sign they are pregnant is a missed period. During pregnancy week four if you miss your period there is a good chance you may be pregnant!

During the early weeks of your pregnancy before the placenta has time to fully form, the corpus luteum produces progesterone to help support the pregnancy. By roughly pregnancy week 12 however the placenta takes over this function and produces the progesterone your body needs to support your growing baby.

Some women have low progesterone levels. This may compromise a pregnancy and is sometimes the cause of repeat miscarriages. If you suspect you have low progesterone consult with your doctor. Fortunately there are a number of safe and effective treatments to overcome this problem!

Changes In Your Body
By 4 weeks pregnant you might start feeling a little bit pregnant. The most common symptom women experience this early in pregnancy (aside from a missed period) is increasing fatigue. That's no surprise given the work your body is performing to create a new life! Other women feel some mild abdominal cramping in early pregnancy while some report increasing breast tenderness.

By four weeks pregnant you should be able to take a home pregnancy test. You should call your healthcare provider as soon as you get a positive result to schedule your first prenatal visit. Most healthcare providers won't see patients until they are eight to ten weeks pregnant (unless they are in a high risk category) but you may need to schedule your appointment a few weeks in advance. Your doctor can also prescribe prenatals for you and ensure you are taking important steps to protect your health and that of your babies during your early pregnancy weeks.

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