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Calculadora de embarazo
Calcule su fecha de parto y realice un seguimiento de los hitos del embarazo
Calculadora de ovulación
Predecir la fecha de ovulación y la ventana fértil para la concepción.
Rastreador de período
Realice un seguimiento de los ciclos menstruales y prediga su próximo período
Calculadora de fecha de vencimiento
Calcule la fecha prevista de su embarazo desde el último período
Aumento de peso durante el embarazo
Realice un seguimiento del aumento de peso saludable durante el embarazo por trimestre
Calculadora de niveles de hCG
Compruebe si los niveles de hCG son normales para la semana gestacional
Calculadora de implantación
Estimar el momento de la implantación y los signos tempranos del embarazo.
Calculadora de concepción
Calcule su fecha de concepción a partir de la fecha de parto o FUM
Calculadora de fecha de vencimiento de FIV
Calcule la fecha de vencimiento de la FIV a partir de la fecha de transferencia o recuperación
Calculadora de fertilidad por edad
Calcule las posibilidades de fertilidad y las tasas de éxito de la FIV por edad
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See methodology, assumptions & sources
| Risk tier | High YMYL |
|---|---|
| Author | Calculover Editorial Team Health education |
| Editorial owner | Calculover Reproductive Health Desk Pregnancy and fertility methodology owner |
| Reviewer | Calculover Editorial Review Medical-source review |
| Last reviewed | 2026-05-11 |
| Last verified | 2026-05-11 |
| Data effective date | 2026-05-11 |
Methodology
Womens Health Resource follows the pregnancy or cycle formula described on the page, such as last-menstrual-period dating, IVF transfer dating, cycle-window estimation, hCG trend context, or pregnancy-weight categories. It keeps date and range outputs educational because clinical dating and pregnancy assessment require obstetric history and, often, ultrasound or lab follow-up.
Assumptions
- Cycle-based estimates assume the entered period dates, cycle length, luteal phase, and pregnancy dates are accurate and reflect the user rather than a population average.
- LMP due-date estimates generally assume a 28-day cycle with ovulation around day 14 unless the calculator provides alternate inputs such as ovulation, conception, ultrasound, or IVF transfer date.
- Pregnancy and fertility outputs assume a singleton pregnancy or typical cycle unless the user has entered data that the calculator specifically supports.
Limitations
- Irregular cycles, breastfeeding, postpartum changes, perimenopause, PCOS, fertility treatment, pregnancy loss, multiple gestation, and uncertain dates can make estimates inaccurate.
- Ovulation and fertile-window estimates are not reliable contraception and do not confirm pregnancy, miscarriage, ectopic pregnancy, fetal growth, or pregnancy viability.
- hCG levels and pregnancy-weight ranges vary widely; symptoms, bleeding, severe pain, high blood pressure, or concerning lab trends need prompt clinical review.
Sources
- Methods for Estimating the Due Date, American College of Obstetricians and Gynecologists
- Pregnancy Fact Sheet, Eunice Kennedy Shriver National Institute of Child Health and Human Development
- Fertility Awareness-Based Methods of Family Planning, American College of Obstetricians and Gynecologists
Professional guidance: Womens Health Resource is for reproductive-health education and date planning only. It is not obstetric, fertility, contraceptive, diagnostic, or emergency medical advice; discuss results and symptoms with an obstetrician-gynecologist, midwife, fertility specialist, or other licensed clinician.