Baby is the size of a grape
👶 Baby's development
It is now officially a fetus! Fingers begin to form. The heart beats 170 times per minute.
💛 How mom feels
Blood volume increases. Headaches and dizziness are possible. Time to register with your OB-GYN.
📖 Tip of the week
The embryo officially becomes a fetus — the most critical period of organ development is complete. Fingernails and hair follicles begin to form. Your breasts continue to change — invest in a comfortable wire-free bra.
🔬 Detailed baby development
- The embryo is now officially called a fetus, marking the transition from embryonic to fetal period
- Fingers and toes are fully separated with distinct digits forming
- The fetus can make small movements, including bending its arms at the elbows
- External genitalia begin to develop, though sex cannot yet be determined on ultrasound
- The heart has divided into four chambers and beats at 170-180 beats per minute
- The fetus is about 23 mm long, roughly the size of a grape
🤱 What mom may feel
- Nausea remains prominent but should begin to ease in the coming weeks
- Weight gain may be minimal or even negative due to nausea and food aversions
- Nasal congestion and occasional nosebleeds from increased blood volume
- Noticeable veins on the breasts, arms, and legs as blood volume increases
- Increased emotional intensity — crying more easily or feeling anxious
🏥 Tests and check-ups
No specific tests are typically scheduled for week 9 alone. If non-invasive prenatal testing (NIPT) is planned, it can be performed starting from week 9-10. This cell-free DNA blood test screens for Down syndrome, trisomy 18, trisomy 13, and sex chromosome abnormalities.
💡 Tips for this week
- Discuss NIPT or first-trimester screening options with your healthcare provider
- Eat iron-rich foods (lean red meat, spinach, fortified cereals) to support increasing blood volume
- Use saline nasal spray for pregnancy-related congestion instead of decongestant medications
- Stay connected with supportive friends, family, or a pregnancy support group
❓ Frequently asked questions
What is NIPT and should I get it?
NIPT (Non-Invasive Prenatal Testing) is a blood test that analyzes cell-free fetal DNA from the mother's blood to screen for chromosomal conditions. It is highly accurate and has no risk of miscarriage, unlike amniocentesis. Discuss with your provider whether it is recommended for you.
Is it safe to use nasal spray during pregnancy?
Saline nasal sprays are completely safe. Avoid decongestant sprays (like oxymetazoline) unless specifically approved by your doctor, especially in the first trimester.
Why am I not gaining weight?
It is common to gain little weight or even lose a few pounds in the first trimester due to nausea and food aversions. Most weight gain occurs in the second and third trimesters. Speak to your provider if you are losing weight rapidly.
📝 Week 9 of pregnancy: detailed guide
At week 9, the embryo officially becomes a foetus — a term that reflects the completion of organogenesis. All of the critical organ-forming processes are now complete; the foetus will spend the rest of pregnancy growing and refining what has already been established. It measures approximately 2.3 cm and weighs around 2 g. The head is still disproportionately large — around half the foetus’s total length — because the brain is growing so rapidly. Individual fingers and toes are now separable, and the embryonic tail has fully disappeared. The liver is now producing blood cells, and the spleen is beginning to do the same. The heart has developed all four chambers and is beating steadily.
For many women, the ninth week is among the most difficult of the first trimester. Nausea can be relentless, and the fatigue can feel all-encompassing. Mood fluctuations — feeling deeply emotional, anxious, or irritable — are a direct result of hormonal changes and should not be dismissed. Emotional wellbeing matters as much as physical health during pregnancy: if you are struggling with anxiety or low mood that feels unmanageable, speak to your midwife or GP. Antenatal depression is more common than many people realise and responds well to support and treatment. Lean on your support network and try to communicate openly with your partner or those closest to you.
If you have not yet had your booking appointment, contact your GP today — early booking is associated with better outcomes. You should also begin thinking about your first trimester combined screening, which takes place between weeks 11 and 13 weeks and 6 days. This test combines an ultrasound measurement of the nuchal translucency (fluid at the back of the baby’s neck) with blood markers (PAPP-A and free beta-hCG) to assess the risk of conditions such as Down’s syndrome, Edwards’ syndrome, and Patau’s syndrome. It is offered to all pregnant women on the NHS and provides a personalised risk estimate, not a diagnosis.
Many women find that certain foods are intolerable right now, and that is entirely acceptable. Focus on what you can manage rather than a theoretical ideal diet. Bland, starchy carbohydrates — plain crackers, rice, boiled pasta, toast — are often easiest to digest. Protein is important for the rapid cell division underway: eggs, chicken, beans, lentils, and dairy are good sources when well tolerated. Cold foods often smell less than hot ones, which can help. Keep meals small and frequent — aim for something light every two to three hours rather than three large meals. Dehydration worsens nausea, so sip water, diluted cordial, or cold herbal teas steadily throughout the day.
⚠️ When to see a doctor
- Heavy bleeding or spotting
- Severe abdominal pain or pain on one side
- Severe nausea and vomiting (unable to eat or drink)
- Fever above 38°C (100.4°F)
- Pain or burning during urination
- Dizziness or fainting
Sources
- WHO recommendations on antenatal care (2016)
- ACOG Practice Bulletins
- Williams Obstetrics, 26th Edition
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