17 weeks.

Month 1: Weeks 1–4 Month 2: Weeks 5–8 Month 3: Weeks 9–13 Month 4: Weeks 14–17 ← Nandito ka ngayon Month 5: Weeks 18–22 Month 6: Weeks 23–27 Month 7: Weeks 28–31 Month 8: Weeks 32–35 Month 9: Weeks 36–40 (hanggang manganak)