Nausea in early pregnancy typically begins around the 4th to 6th week after last menstrual period, with most people noticing it by around week 6 and it peaking between weeks 7 and 12. It often improves or resolves by the end of the first trimester (around week 12–14) for many individuals, though some may experience nausea beyond that or into later trimesters. Overall timing can vary a bit from person to person. Key points to know

• Common onset window: roughly weeks 4–9 of pregnancy, with peak severity around weeks 7–12. [sources synthesize this range from standard medical references]
• Variation exists: some people feel nausea as early as week 4, others not until week 6 or later; a small number may have symptoms lasting beyond 20 weeks.
• Not all nausea requires treatment, but persistent or severe symptoms can impact nutrition and well-being. If nausea is causing significant dehydration, weight loss, or inability to keep fluids/food down, seek medical advice promptly.

What to do if nausea starts

• Try small, frequent meals; dry snacks (like crackers) when waking; stay hydrated with sips of water or electrolyte drinks.
• Avoid strong odors or foods that trigger nausea; consider ginger or peppermint options if tolerated, but check with a clinician before taking supplements or medications.
• Rest when possible and manage stress, as fatigue can worsen symptoms.
• If nausea is severe (inability to keep fluids or food down for 24 hours, or you’re losing weight), contact your healthcare provider promptly.

If you’d like, I can tailor tips to your current week of pregnancy or help you assess whether you should seek medical care based on symptoms you’re experiencing.