Week 7 of pregnancy

How your baby is developing

• The brain and face are developing rapidly; arm buds lengthen and leg buds appear.UNSW Embryology (CC-BY)
• The lenses of the eyes and the tissue that will become the nose begin forming.UNSW Embryology (CC-BY)

How you may feel

• Nausea may be at its most intense for some; food aversions or cravings and mood swings are common as hormones shift.NHS

Nutrition this week

• Folate (B9) — supports neural-tube closure — most critical in weeks 1–12 (Leafy greens)
• Iodine — fetal brain + thyroid development (Iodized salt)
• Vitamin B12 — with folate, for blood + nerves (Meat)

When to reach out

• Heavy vaginal bleeding or passing clots.ACOG
• Severe or persistent abdominal or pelvic pain.ACOG
• Severe, persistent nausea or vomiting that prevents keeping any fluids down (possible hyperemesis gravidarum).NHS
• Fever of 38°C (100.4°F) or higher, or chills.WHO
• Severe dizziness, fainting, or a racing/irregular heartbeat.NHS
• Pain or burning when urinating (possible urinary tract infection).NHS

These apply to this week specifically. See the full list of urgent warning signs the CDC publishes for pregnancy and the year after birth.