排卵计算器
预测排卵和受孕窗口
days
公式
Ovulation = LMP + (Cycle Length - 14) days
Ovulation typically occurs 14 days before the next period.
示例
28-day cycle
Ovulation on day 14, fertile window days 9-15.
常见问题
关于 排卵计算器
Predict ovulation and fertile window based on menstrual cycle length.