How long to trimesters last

If this is your first baby, you may notice around 36 weeks that your baby has moved further down into your pelvis. This is often referred to as 'the baby has engaged or dropped'. You will notice more room near your ribs and breathing will become easier, but this also adds more pressure on your bladder meaning more trips to the toilet.

In the last few weeks of this trimester your body begins to prepare for the coming labour. During this last stage of pregnancy, you may be worried or anxious about labour and the birth, or about how you will manage as a parent. Difficulty getting comfortable in bed and frequent bathroom visits can mean poor sleep, which is known to trigger irritability and low mood in some people.

Although most pregnant women see the third trimester as an exciting time and feel positive about the next stage, one in 5 will experience antenatal anxiety or depression. Seek help early if this is how you or your partner are feeling. By week 36, your baby is about 47cm long and weighs approximately 2.

If this is your situation, your doctor or midwife will discuss with you what this means for your labour, what your options are and how your baby might be born. By 40 weeks, your baby will be about 50cm, and weigh approximately 3. Developmentally, your baby is now ready to be born.

Through the third trimester you will have frequent antenatal check-ups : about every 4 weeks until 36 weeks, then every 2 weeks after that. Ensure your diet is varied and includes a range of fresh fruit and vegetables as well as sources of protein, iron and calcium.

Weight gain is a normal part of pregnancy and most women can expect to gain between 11 and 16kg. A pregnancy weight gain calculator can be a handy tool to track your weight gain through the third trimester. Try to stay active throughout pregnancy - even in your third trimester. Still confused? Please note: The Bump and the materials and information it contains are not intended to, and do not constitute, medical or other health advice or diagnosis and should not be used as such.

You should always consult with a qualified physician or health professional about your specific circumstances. Getting Pregnant. Popular links under Pregnancy First Trimester. After you announce your pregnancy, the first question you'll probably be asked is "When are you due? It's important to remember that your due date is only an estimate — most babies are born between 38 and 42 weeks from the first day of their mom's LMP and only a small percentage of women actually deliver on their due date.

Another common term you'll hear throughout your pregnancy is trimester. A pregnancy is divided into trimesters:. Pregnancy has three trimesters, each of which is marked by specific fetal developments. A pregnancy is considered full-term at 40 weeks; infants delivered before the end of week 37 are considered premature. Premature infants may have problems with their growth and development, as well as difficulties in breathing and digesting.

The first trimester is the most crucial to your baby's development. During this period, your baby's body structure and organ systems develop.