| Begin taking prenatal vitamins. |
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| Check vaginal pH to help detect early symptoms of vaginal infection. |
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| The last day of your last period. |
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| Likely Conception Date |
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| Have your urine cultured for GBS at your first prenatal visit. |
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| Make sure you find out your culture results. If positive, make sure you complete the course of antibiotics. |
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| (through Feb 21, 2026) Urine Test (through Feb 14, 2026) Chorionic Villus Test (optional, GBS WARNING*) Get a copy of your urine culture results. Ask for a "test of cure." |
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| (through Feb 21, 2026) First Trimester Screen |
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| Second Trimester Begins |
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| (through Apr 4, 2026) Amniocentesis (optional, GBS WARNING*) |
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| (through Apr 4, 2026) Maternal Serum Screen |
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| (through Apr 4, 2026) Ultrasound Exam |
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| (through May 30, 2026) Glucose challenge screening and Glucose tolerance test. |
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| Third Trimester Begins (through Jun 27, 2026) Biophysical profile (BPP) |
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| (through Aug 22, 2026) Nonstress Test Begin Kick Counting |
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| (through Aug 1, 2026) Get GBS Test! |
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| Get a copy of your gbs test results. |
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| TODAY! Due Date If you're gbs positive, get IV antibiotics as soon as your water breaks or you go into labor. |