Ovarian Artery Spectral Doppler USG Waveforms Across Menstrual Cycle & In Postmenopausal Women

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Ovarian Artery Spectral Doppler USG Waveforms Across Menstrual Cycle & In Postmenopausal Women

Follicular Phase:
Low resistance waveform
PSV: 10 to 35 cm/s approx.
RI: 0.4-0.7
PI: 1.8–2.2

Late Follicular Phase:
PSV: 10 to 35 cm/s approx.
RI: 0.55–0.6
PI: 1.0–1.3

Ovulation Phase:
Lowest resistance waveform as compared to other phases
PSV: 10 to 35 cm/s approx.
RI: 0.55–0.6; PI: 1.0–1.3

Luteal Phase
PSV: Variable
RI: 0.6–0.65
PI: 1.3–1.8

Postmenopausal Waveform
High resistance waveform
Absent diastolic flow
RI: 0.6–1.0
PI: 1.3–4.0

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