Estimador de Ovulação — Calculadora da Janela Fértil
Insira a data de início da sua última menstruação e a duração média do ciclo para estimar quando você ovula e seus dias mais férteis.
Estimated ovulation date
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Fertile window
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Next period
Esta é uma estimativa baseada em médias. A duração do ciclo varia de mês para mês. Não é confiável para contracepção. Consulte seu médico para planejamento familiar.
Perguntas comuns
How accurate is this ovulation estimator?
Ovulation estimators based on cycle length provide a reasonable estimate for women with regular cycles. However, ovulation can vary by several days each month due to stress, illness, travel, or hormonal fluctuations. For greater accuracy, combine this with ovulation predictor kits (OPKs) or basal body temperature tracking.
What are the signs of ovulation?
Common signs include a slight rise in basal body temperature, changes in cervical mucus (becomes clear, stretchy, and egg-white-like), mild pelvic pain or cramping on one side (mittelschmerz), increased libido, and breast tenderness. Some women also notice light spotting.
Can stress delay ovulation?
Yes. Physical or emotional stress can delay or even suppress ovulation by disrupting the hormonal signals from the hypothalamus and pituitary gland. This is why cycles may become irregular during stressful periods, illness, or major life changes.
What if my cycles are irregular?
If your cycle length varies significantly (more than 7 days between shortest and longest cycles), a calendar-based estimator will be less reliable. Consider tracking ovulation with OPKs, basal body temperature, or cervical mucus monitoring. Persistent irregularity warrants a conversation with your healthcare provider.