At 8 weeks pregnant, you’re nearing the end of the second month, and a lot is happening fast. Your embryo is about half an inch to one inch long (roughly the size of a black bean), and every major organ system is already forming. Meanwhile, your body is deep in the hormonal surge that powers early pregnancy, which is why you’re likely feeling it.
What’s Developing This Week
Week 8 is a milestone for organ development. All of the major organs and body systems are actively forming. Your embryo’s hands and feet have a webbed appearance, eyes are becoming visible, and ears are starting to take shape. The umbilical cord is now fully developed and working to transport oxygen and blood.
Your baby still has a long way to go, but the basic architecture is being laid down right now. This is one reason the first trimester is considered so critical: the rapid pace of development makes these weeks especially important for nutrition and avoiding harmful exposures.
Symptoms You’re Likely Feeling
Week 8 is often when first-trimester symptoms hit their stride. Rising hormone levels are the main driver of morning sickness, which can strike at any hour despite the name. Progesterone levels are climbing steeply, which is why fatigue can feel overwhelming. Many people describe it as a tiredness that sleep doesn’t fully fix.
Your uterus has already grown to about the size of a tennis ball, even though your baby is tiny. That extra volume puts direct pressure on your bladder, so frequent bathroom trips are normal and will likely continue for a while. You may also notice breast tenderness, bloating, mild cramping, and stronger food aversions or cravings. Not everyone gets every symptom, and intensity varies widely from one pregnancy to the next.
Your First Prenatal Visit
Many people have their first prenatal appointment around 8 weeks. This visit tends to be the longest one, covering a lot of ground at once. Expect a physical exam that may include a breast exam, pelvic exam, and possibly a Pap test if you’re due for one. Your provider will measure your weight and height, calculate your BMI, and use that information to set a healthy weight-gain target for your pregnancy.
Blood work is a standard part of this visit. Your provider will check your blood type and Rh status, measure your hemoglobin levels, and screen for infections. You’ll likely also get an ultrasound to confirm dates and check for a heartbeat. If a heartbeat is detected at 8 weeks, the chance of the pregnancy continuing rises to about 98%, which can be deeply reassuring if you’ve been anxious.
Genetic screening isn’t done yet at this stage. Non-invasive prenatal testing requires enough fetal DNA circulating in your blood, and that doesn’t reach reliable levels until around 10 weeks. Your provider may discuss this option now so you can decide whether you want it when the time comes.
Nutrition and Supplements
If you’re not already taking a prenatal vitamin with at least 400 micrograms of folic acid daily, now is the time to start. That amount helps prevent neural tube defects, which are serious birth defects of the brain and spine. The CDC recommends this dose for all women who could become pregnant, so ideally you’d be taking it before conception, but starting now still matters since your baby’s neural development is ongoing.
Caffeine is worth paying attention to. Research from the NIH found that even moderate caffeine intake, below the commonly cited 200-milligram daily threshold (about two cups of coffee), was linked to smaller birth size and reduced lean body mass in newborns. If you’re a heavy coffee drinker, cutting back is a practical move. Switching to half-caff or limiting yourself to one cup a day are common strategies.
Foods to Avoid
Pregnancy makes you significantly more susceptible to certain foodborne illnesses. You’re 10 times more likely to get a Listeria infection while pregnant, and the consequences can be severe. The list of higher-risk foods is longer than most people expect:
- Deli meats and hot dogs unless heated until steaming. This includes cold cuts, fermented sausages, and refrigerated pâté.
- Soft cheeses made from unpasteurized milk, such as brie, camembert, blue cheese, and queso fresco. Even pasteurized queso fresco-type cheeses carry higher risk.
- Raw or undercooked eggs, including foods that contain them like homemade Caesar dressing, raw cookie dough, and homemade eggnog.
- Raw or undercooked seafood, including sushi, sashimi, and ceviche. Refrigerated smoked seafood (lox, kippered fish) is also on the list unless it’s in a cooked dish.
- High-mercury fish like shark, swordfish, king mackerel, and tilefish.
- Unpasteurized juice, cider, and raw milk.
- Raw sprouts of any kind, and unwashed fruits and vegetables.
- Raw flour and any batter or dough made with it.
Premade deli salads (potato salad, chicken salad, coleslaw, egg salad, tuna salad) also carry higher Listeria risk because of how they’re handled and stored. When in doubt, heating food thoroughly kills most of the bacteria you’re trying to avoid.
What Week 8 Feels Like Emotionally
This is a strange in-between period for many people. You may feel intensely pregnant because of symptoms, yet it’s too early to look pregnant or for most people in your life to know. That gap between your internal experience and your external appearance can feel isolating. Anxiety about miscarriage is common, especially before you’ve had an ultrasound confirming a heartbeat.
Mood swings are also fueled by the same hormonal shifts causing your physical symptoms. Feeling excited one hour and tearful the next is typical at this stage. If your emotions feel unmanageable or you’re experiencing persistent sadness, that’s worth mentioning to your provider, since prenatal depression and anxiety are more common than many people realize and can be addressed early.