Quick answer: Week 8: Tests ordered, questions to ask, genetic screening options, NIPT explained.
You’ve reached week 8 and you’re in the thick of the first trimester — the most physically demanding stretch for many women. The work your body is doing right now is extraordinary, even if it’s invisible from the outside.
Baby Development This Week
At week 8, your baby is approximately the size of a kidney bean — measuring around 0.63 in / 16mm. All major organs are present in primitive form. Fingers are beginning to separate. All major organ systems are forming at extraordinary speed.
Symptoms You May Feel
Week 8 first trimester symptoms typically include: nausea (often worst between weeks 6–10 and frequently striking at all hours despite the ‘morning’ misnomer), profound fatigue driven by surging progesterone, breast tenderness and fullness, frequent urination as kidneys filter increased blood volume, food aversions and cravings, a heightened sense of smell that amplifies nausea, bloating, and mood swings from rapidly shifting hormones. Not every woman experiences all of these — some have almost no symptoms through the first trimester and that is completely normal.
Tests ordered, questions to ask, genetic screening options, NIPT explained
The first prenatal appointment at 8–10 weeks involves blood tests that establish your baseline: blood type and Rh factor, CBC, rubella immunity, hepatitis B, HIV, syphilis, gonorrhea/chlamydia, and thyroid function. Your OB will also discuss first trimester screening options: combined screening (NT scan at 11–14 weeks + PAPP-A and free beta-hCG blood test at 9–13 weeks), NIPT (non-invasive prenatal test from 10 weeks — detects chromosomal differences with >99% accuracy for trisomy 21), or CVS (chorionic villus sampling, diagnostic, from 10–13 weeks if indicated). Knowing these options in advance lets you make an informed decision rather than agreeing to tests without understanding them.
Practical Tips for Week 8
- Continue your prenatal vitamin daily. At week 8, folic acid requirements are met by your prenatal — the neural tube has closed and folic acid now supports cell division and growth.
- Eat small meals every 2–3 hours to keep nausea at bay — an empty stomach makes symptoms worse.
- Ginger tea, ginger capsules (250mg 4x daily), and Vitamin B6 (25mg 3x daily) have solid evidence for nausea.
- Rest is not laziness — your body is doing extraordinary work. Nap when you can.
- Avoid alcohol completely. Limit caffeine to under 200mg daily (roughly one 12oz coffee).
- Your first prenatal appointment is this week or next — if it’s not yet scheduled, call your OB immediately.
When to Call Your Midwife or OB
Call your provider immediately for: heavy bleeding (soaking a pad), severe one-sided abdominal pain (possible ectopic sign), fever above 101°F / 38.3°C, inability to keep any fluids down for 24+ hours, or any symptom that feels wrong to you.
Frequently Asked Questions
Is it normal to have no symptoms at 8 weeks pregnant?
Yes — many women with perfectly healthy pregnancies experience minimal or no nausea, fatigue, or breast tenderness. Symptom severity is driven by your individual hormone levels and sensitivity, not by pregnancy health. A day of feeling ‘almost normal’ doesn’t mean anything is wrong. With a confirmed heartbeat at 8 weeks, the miscarriage risk is approximately 3–5%. The first prenatal appointment typically happens around 8–10 weeks — your OB will likely do an ultrasound to confirm dates and cardiac activity if you haven’t had one yet.
When will I start showing at week 8?
First-time mothers typically develop a visible bump between weeks 12–16. Before that, bloating can make the belly look larger, but the uterus is still tucked low in the pelvis. Women who’ve been pregnant before often show earlier because uterine muscles are already stretched. Height, body type, and position of the uterus all affect when you show.
Can I exercise during the first trimester?
Yes — for most healthy pregnancies, moderate exercise is safe and beneficial throughout the first trimester. Walking, swimming, and prenatal yoga are excellent options. Avoid contact sports, high-fall-risk activities, exercises lying flat on your back for long periods, and hot yoga. If you were active before pregnancy, you can usually continue your routine with modifications as your body feels comfortable.
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Related Reading
- 7 weeks pregnant: heartbeat visible on ultrasound
- 9 weeks pregnant: your baby now has fingerprints
- Morning sickness remedies: what actually works
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