The first trimester takes you through to week 13. Our step-by step guide takes you through what to expect at each step.
What is happening now?
At 9 weeks of pregnancy, it is now 49 days since your baby was conceived, so you are now starting week 10. Scientists no longer refer to your baby as an embryo - they are now called a fetus (also spelt foetus), which is Latin for 'young one'.
Your baby now measures around 2.5 cm from crown to rump (1 inch) and the webbing between their fingers and toes has disappeared, creating separate digits. Your baby's nail beds are starting to form, but actual nails are not present until they are about 20 weeks gestation.
Your baby's heart has developed valves within their aorta and pulmonary blood vessels. These direct blood flow to and from their body and lungs, via their umbilical cord to your body. Their liver is now producing blood cells. This task will eventually be taken over by your baby's bone marrow, once their bones fully mature. Your baby's lungs are growing bronchi tunnels, which will eventually transport air after they are born.
Your baby's elbows, knees, wrists and ankles are developing. Their bones are initially soft and flexible (made of cartilage) and muscle tissue has begun forming between their skin and bones. Their neck is more developed, allowing them to slightly lift and turn their head! They may even be able to touch their own face with their hands - the beginnings of thumb sucking!
Your baby's ovaries or testes are now well developed. However, both sexes look the same at this early stage because their external sex organs are just beginning to form.
Common symptoms to look out for:
Physical changes
- Headaches
Some women experience frequent headaches during early pregnancy. These may be caused by hormonal changes and/or the normal increase in blood volume circulating (up to 50% more). Adjusting to a new pregnancy can also be a stressful time, causing tension headaches. If you are prone to headaches or migraines, you may notice you do not experience them as often during pregnancy, or you may find they tend to be worse. You can read more about headaches and some support strategies here.
- Dizziness
Some women feel light-headed during pregnancy, or even physically faint. In the Victorian era, fainting was an unsophisticated way of telling if a woman was pregnant! Fainting and dizziness is common and happens because your blood vessels naturally relax and dilate under the influence of the progesterone hormone, lowering your blood pressure. Fainting is not usually a problem, just a little embarrassing if you do it in public!
Emotional reactions
As your pregnancy progresses, you may feel your sexuality has changed. Some women notice a rise in their libido, others a definite decline. You may also notice your partner's libido changing. How you and your partner feel about making love together during pregnancy can affect your relationship. Depending on your expectations, your individual feelings may deepen towards each other, or perhaps place an added strain.
Other considerations
- Hair dye and hair removal
Many women are concerned about the effects of dyeing their hair during pregnancy. The chemicals used in hair dyes are many and varied, but there is little concrete evidence to estimate the real risks involved. What we do know is that chemicals from hair dyes can be absorbed through a woman's scalp (and the skin on her hands if not wearing gloves).
- Tanning products
Tanning beds and self tanning products have only been available for a relatively short period of time. There is mounting evidence that tanning beds cause skin cancer with moves to ban their use on the cards, but little concrete evidence to estimate the real risks involved with tanning creams, particularly during pregnancy. Tanning creams and lotions contain the active ingredient dihydroxyacetone (DHA) which is absorbed through the skin, passing into your bloodstream, and to the baby through the placenta.
Natural therapies
Acupuncture and acupressure
Acupuncture is used to treat many ailments as well as male and female fertility, fatigue and stress and as a tool to give up addictions such as smoking. During pregnancy acupuncture may be used for back pain, high blood pressure, fluid retention, inducing and stimulating labour contractions, turning the position of the baby, insomnia, morning sickness, headaches, bleeding and other conditions. After the birth treatments may address healing or mastitis or to balance the general well-being of the mother.
What you should be doing this week
What is happening now?
At 9 weeks of pregnancy, it is now 49 days since your baby was conceived, so you are now starting week 10. Scientists no longer refer to your baby as an embryo - they are now called a fetus (also spelt foetus), which is Latin for 'young one'.
Your baby now measures around 2.5 cm from crown to rump (1 inch) and the webbing between their fingers and toes has disappeared, creating separate digits. Your baby's nail beds are starting to form, but actual nails are not present until they are about 20 weeks gestation.
Your baby's heart has developed valves within their aorta and pulmonary blood vessels. These direct blood flow to and from their body and lungs, via their umbilical cord to your body. Their liver is now producing blood cells. This task will eventually be taken over by your baby's bone marrow, once their bones fully mature. Your baby's lungs are growing bronchi tunnels, which will eventually transport air after they are born.
Your baby's elbows, knees, wrists and ankles are developing. Their bones are initially soft and flexible (made of cartilage) and muscle tissue has begun forming between their skin and bones. Their neck is more developed, allowing them to slightly lift and turn their head! They may even be able to touch their own face with their hands - the beginnings of thumb sucking!
Your baby's ovaries or testes are now well developed. However, both sexes look the same at this early stage because their external sex organs are just beginning to form.
What is my body doing at nine weeks pregnant?
It’s perfectly normal in these first few weeks of pregnancy to feel extremely exhausted, but when you think of the mammoth changes occurring physiologically, mentally and emotionally, is it any wonder you need a lie down? Your body is working around the clock to develop the placenta, but also, pregnancy has increased your metabolism and hormone levels, which in turn lowers your blood sugar levels and blood pressure. Read more about how to tackle that pregnancy fatigue here. If you find yourself snoozing more, try sleeping on your left as this stops your uterus pressing on major blood vessels, allowing more blood to get to your baby.
It’s perfectly normal in these first few weeks of pregnancy to feel extremely exhausted, but when you think of the mammoth changes occurring physiologically, mentally and emotionally, is it any wonder you need a lie down? Your body is working around the clock to develop the placenta, but also, pregnancy has increased your metabolism and hormone levels, which in turn lowers your blood sugar levels and blood pressure. Read more about how to tackle that pregnancy fatigue here. If you find yourself snoozing more, try sleeping on your left as this stops your uterus pressing on major blood vessels, allowing more blood to get to your baby.
Common symptoms to look out for:
- Frequent toilet trips: If you find yourself constantly needing to wee, make sure you lean forwards on the toilet to ensure you’ve fully emptied your bladder. Also, try and wee again once you’ve finished weeing – this can help you get those extra few hours of shut eye.
- Breast tenderness: As if getting enough sleep wasn’t hard enough, your growing boobs can make getting comfy that little bit harder! It’s perfectly normal for your breasts to feel ultrasensitive at this time, so try sleeping with a sports bra on and see if it helps.
- Bloating and gas: One you probably won’t want to talk to your doctor about, feeling gassy is another very common symptom. If you’re worried about keeping this to a minimum, try smaller meals which won’t overload your digestive system.
Physical changes
- Headaches
Some women experience frequent headaches during early pregnancy. These may be caused by hormonal changes and/or the normal increase in blood volume circulating (up to 50% more). Adjusting to a new pregnancy can also be a stressful time, causing tension headaches. If you are prone to headaches or migraines, you may notice you do not experience them as often during pregnancy, or you may find they tend to be worse. You can read more about headaches and some support strategies here.
- Dizziness
Some women feel light-headed during pregnancy, or even physically faint. In the Victorian era, fainting was an unsophisticated way of telling if a woman was pregnant! Fainting and dizziness is common and happens because your blood vessels naturally relax and dilate under the influence of the progesterone hormone, lowering your blood pressure. Fainting is not usually a problem, just a little embarrassing if you do it in public!
Emotional reactions
As your pregnancy progresses, you may feel your sexuality has changed. Some women notice a rise in their libido, others a definite decline. You may also notice your partner's libido changing. How you and your partner feel about making love together during pregnancy can affect your relationship. Depending on your expectations, your individual feelings may deepen towards each other, or perhaps place an added strain.
Other considerations
- Hair dye and hair removal
Many women are concerned about the effects of dyeing their hair during pregnancy. The chemicals used in hair dyes are many and varied, but there is little concrete evidence to estimate the real risks involved. What we do know is that chemicals from hair dyes can be absorbed through a woman's scalp (and the skin on her hands if not wearing gloves).
- Tanning products
Tanning beds and self tanning products have only been available for a relatively short period of time. There is mounting evidence that tanning beds cause skin cancer with moves to ban their use on the cards, but little concrete evidence to estimate the real risks involved with tanning creams, particularly during pregnancy. Tanning creams and lotions contain the active ingredient dihydroxyacetone (DHA) which is absorbed through the skin, passing into your bloodstream, and to the baby through the placenta.
Natural therapies
Acupuncture and acupressure
Acupuncture is used to treat many ailments as well as male and female fertility, fatigue and stress and as a tool to give up addictions such as smoking. During pregnancy acupuncture may be used for back pain, high blood pressure, fluid retention, inducing and stimulating labour contractions, turning the position of the baby, insomnia, morning sickness, headaches, bleeding and other conditions. After the birth treatments may address healing or mastitis or to balance the general well-being of the mother.
What you should be doing this week
- Keep snacking: Rest assured your tiny baby is getting everything she needs, and focus on smaller meals throughout the day. This can help with morning sickness and keeping your blood sugar levels up.
- Buy a box of Rennies: Antacids are safe to take during pregnancy and can help with that awful heartburn.
- Talk to your doctor: If you’re older than 35 or have any genetic conditions, now is the time to talk to your doctor about common genetic tests. These can be performed between 10 and 13 weeks.
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