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The diagnostic criteria used for diagnosing cervical incompetence explained under 2 minutes 47 seconds.

Diagnosis in non-pregnant female:@0:10
1. History: -
→ RPL
→ Only 2nd trimester loss
→Painless dilatation of cervix
→ As the no. of pregnancy loss ↑ POG at which loss occurs↓
2. Hagar dilator no. 8 can pass through Internal Os without Pt. resistance.
3. On hystero cervicography- Funnel Shape
• In hysterocervicography with the help of foleys catheter radiopaque dye is injected.
• In normal pt. as os is closed dye will not come out but in cervical incompetence dye will come out and result in funnel shape.
• All these are not a very good method to be performed in non-pregnant females.
Diagnosis in pregnant female:@1:42
1. TVS (cervical length should be ideally 3.5)
→ Length of cervix less then2.5 cm
→ Dilation of cervix ≥2cm
→ Shape of cervix-U shaped (Normally T shape)

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