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First Trimester

8 Weeks Pregnant

Your baby is the size of a Raspberry 🍇

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Written by
Ashok Kumar Poudel
Health & Wellness Writer
Medically reviewed by
Dr. Bina Basnet
MBBS, MD — Gynecologist & Obstetrician
Last reviewed
📏
Size
Raspberry
📐
Length
1.6 cm
⚖️
Weight
1 g
🗓️
Trimester
First
⏱️
Week
8 of 40

🌱 Baby Development at Week 8

All major organs are now formed, so the embryo graduates to being called a fetus and development shifts to growth and refinement. Fingers and toes are distinct, eyelids cover the eyes, and the fetus has started moving spontaneously.

Now called a fetusFingers and toes formingAll major organs developing

🤱 Common Symptoms

●Morning sickness
●Constipation
●Mood swings
●Increased urination
●Round ligament discomfort beginning

🥗 Nutrition Tips

  • Omega-3 fatty acids support brain development
  • Fiber to help with constipation
  • Stay hydrated — 8-10 glasses water daily

🏃‍♀️ Exercise Tips

  • Yoga and Pilates are excellent
  • Core strengthening with modifications
  • Avoid lying flat on back for extended periods

🏥 Medical Tests & Appointments

Genetic carrier screening option (NIPT, CVS)Pelvic exam at first OB visit

🔬 Hormone Changes

hCG begins to plateau after its peak, and the placenta increasingly takes over hormone production from the corpus luteum. Rising relaxin starts loosening ligaments and joints.

📖 Week 8 Pregnancy — In-Depth Guide

Week 8 marks a major graduation: your embryo is now officially called a fetus, which means little one in Latin. This title change reflects a milestone — all major organs and body systems have formed and will now grow and mature. Measuring about 1.6 centimeters, the size of a raspberry, your baby’s fingers and toes are distinct, and eyelids cover the developing eyes.

The fetus has even started moving, though you will not feel those first flutters for many weeks. For many women, this is the peak week of first-trimester symptoms — hang in there, relief is approaching.

👶Baby Development at Week 8

The embryo-to-fetus transition is the headline of week 8: every essential organ — heart, brain, lungs, liver, kidneys — is now present in basic form. From here on, development is about growth, refinement, and practice rather than creating structures from scratch.

Fingers and toes are now clearly separated, and the webbing is gone. Eyelids form and fuse shut to protect the developing eyes; they will not reopen until around week 26. The upper lip and nose have formed, and the ears continue moving toward their final position.

Your fetus is moving — stretching, wiggling, and shifting in the amniotic fluid. These movements are spontaneous, driven by a developing nervous system, but at raspberry size they are far too faint for you to feel.

Bone is beginning to replace cartilage in the skeleton, and the placenta is increasingly taking over hormone production from the corpus luteum. The umbilical cord is fully functional, delivering oxygen and nutrients while carrying away waste.

🩺Your Body: Common Symptoms at Week 8

▸ Nausea near its peak

Weeks 8 to 9 are often the worst for morning sickness. The good news: for most women, relief begins within the next few weeks as hCG levels off.

▸ Deep fatigue

First-trimester exhaustion often bottoms out around now. Your body is running a 24-hour construction site — rest without guilt.

▸ Cramping and twinges

Mild uterine cramping and pulling sensations are normal as the uterus stretches. Round ligament pain — sharp twinges when you stand or cough — may begin.

▸ Increased vaginal discharge

A thin, milky discharge called leukorrhea often increases. It is your body’s way of protecting the birth canal from infection.

▸ Vivid dreams

Hormones plus anxiety about the pregnancy can produce unusually intense dreams. They are harmless, even if they feel startling.

▸ Breast growth

Breasts continue enlarging and may feel itchy as skin stretches. The small glands on the areolas become more prominent.

▸ Bloating and constipation

Slowed digestion from progesterone can cause constipation. Fiber, water, and gentle movement are the best remedies.

🏥Medical Tests & Checkups at Week 8

If you have not had your first prenatal visit yet, it usually happens now. Expect the full blood panel — blood type, Rh factor, complete blood count, immunity and infection screening — plus urine testing, blood pressure, and weight.

A dating ultrasound between weeks 8 and 12 confirms gestational age and the due date, which matters for timing later screenings. Your provider will also discuss first-trimester screening options: NIPT from week 10 or the nuchal translucency ultrasound at 11 to 13 weeks.

🥗Nutrition & Movement Tips

▸ Raise protein intake

Aim for protein at each meal — eggs, yogurt, beans, low-mercury fish, poultry. Protein steadies blood sugar and supports rapid fetal tissue growth.

▸ Fight constipation with fiber

Whole grains, fruits, vegetables, and legumes plus plenty of water keep digestion moving. Prunes and pears are classic gentle remedies.

▸ Keep caffeine under 200 mg

That is roughly one 12-ounce coffee. Remember that tea, cola, chocolate, and some headache medicines also contain caffeine.

▸ Continue folic acid

Keep taking your prenatal vitamin daily. Folate remains important as the brain and spinal cord continue developing.

▸ Stay active gently

Walking, swimming, and prenatal yoga ease constipation, boost mood, and improve sleep. Avoid contact sports, scuba diving, and activities with fall risk.

✅Week 8 Checklist

✓Complete your first prenatal visit and blood work if not done yet
✓Confirm your due date with a dating ultrasound
✓Discuss NIPT and nuchal translucency screening options
✓Eat fiber-rich foods and drink plenty of water daily
✓Continue gentle exercise like walking or swimming

📌When to Call Your Doctor

Peak symptom weeks can mask warning signs, so stay alert. Call your doctor if you experience:

✓Heavy vaginal bleeding or passing clots or tissue
✓Severe cramping that does not ease with rest
✓Fever over 100.4°F (38°C)
✓Burning or pain when urinating, possibly a urinary tract infection
✓Sudden severe headache or vision changes
📅 Track Your Pregnancy:Due Date CalculatorSymptoms by WeekTrimester Guide← Week 7Week 9 →

Frequently Asked Questions

Common questions answered by our medical team

At 8 weeks, your baby is approximately the size of a Raspberry (🍇). All major organs are now formed, so the embryo graduates to being called a fetus and development shifts to growth and refinement. Fingers and toes are distinct, eyelids cover the eyes, and the fetus has started moving spontaneously.

← Week 7Calculate Your Due DateWeek 9 →

🔗 Related First Trimester Resources

Second Trimester
Weeks 14–27 guide
Trimesters Explained
Guide to all three trimesters
Early Signs of Pregnancy
Earliest pregnancy symptoms
Symptoms Week by Week
What to expect each week
Pregnancy Week by Week
Detailed weekly guide

All Pregnancy Weeks

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