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Use 排卵试纸 to determine ovulation in most of case is wast of money and time.
For a woman who has a regular cycle, ovulation occurs about 14 days before her next period (if no pregnancy). So, for women who have 28 day cycle, the day of ovulation is day 14 from their first day of period and for women with 30 day cycle, it is day 16 and so on.
The sperm can survive in women's body for about 4 days, while egg will only survive for 12-24 hours after ovulation.
To maximise the chance of conception, the couple should have intercourse every second day from day 10 of her cycle, till day 18.
good luck |
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