How to calculate ovulation date

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Question:
I have my period on the 19th to the 23rd, can you tell me which day is my ovulation?
Mi Nu (1998)
Please let me know if I have my period since April 5, what day is ovulation. Last month, I started getting my period on March 10, and last month I got my period on February 9. Thank you doctor.
Anonymous question
Hello doctor. Doctor let me ask if my wife has her period on the 20th day of the month, when will she ovulate? Looking forward to consulting your doctor. Thank you.
An (Ho Chi Minh)
Answer:
Ovulation day is the 14th day before the first day of your next period. However, to determine the exact date of ovulation, a woman's menstrual cycle must repeat regularly and stably.
Doctor Bui Thi Thu - Department of Obstetrics and Gynecology - Vinmec Hai Phong International General Hospital

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