First Trimester (Weeks 1-12)
Pehle trimester mein baby ke main organs form hote hain. Heartbeat week 6 se detectable hota hai. Neural tube (brain aur spinal cord) pehle 4 weeks mein close ho jata hai, isliye folic acid zaroori hai. Common symptoms: morning sickness (nausea/vomiting), fatigue, breast tenderness, frequent urination. Week 12 par NT scan hota hai jo Down syndrome ka screen karta hai.
Second Trimester (Weeks 13-26)
Energy wapas aati hai aur morning sickness kam hoti hai. Week 18-22 ke darmiyan baby ki movements feel hoti hain (quickening). Week 20 par anomaly scan hota hai jo baby ke organs ka detailed check karta hai. Gender ultrasound se visible hota hai (lekin Pakistan mein gender reveal legally restricted hai). Bump clearly visible ho jata hai. Skin changes, linea nigra (dark line on belly), aur mild swelling ho sakti hai.
Third Trimester (Weeks 27-40)
Baby rapid growth karta hai - average 200-300g per week. Braxton Hicks contractions (practice contractions) shuru hoti hain. Back pain, heartburn, shortness of breath, aur swelling common hain. Week 36 se weekly checkups hote hain. Lightening (baby pelvis mein utar jata hai) week 36-38 mein hota hai. Mucus plug aur water breaking labor ke signs hain. Average baby 40 weeks par 3-3.5 kg hota hai.
| Week | Milestone | Common Test |
|---|---|---|
| 6-8 | First ultrasound - heartbeat | Viability scan |
| 11-13 | NT scan - Down syndrome screening | Nuchal Translucency |
| 18-22 | Anomaly scan - organ check | Detailed ultrasound |
| 24-28 | Glucose tolerance test | GDM screening |
| 32-36 | Growth scan, position check | 3rd trimester scan |
| 36+ | Weekly checkup, cervical check | Group B Strep test |
Yeh symptoms ho to foran doctor se contact karein: severe bleeding, severe abdominal pain, severe headache with vision changes, high fever, decreased fetal movement, water breaking (especially green/brown fluid), severe vomiting unable to keep fluids down, swelling with high BP.