Could I Be Pregnant? Symptom Checker
This calculator helps you assess the likelihood of pregnancy based on your last menstrual period, average cycle length, and common early pregnancy symptoms. Remember, this is for informational purposes only and not a substitute for a medical diagnosis or a home pregnancy test.
Understanding Early Pregnancy Signs
Early pregnancy symptoms can vary greatly from person to person and even from one pregnancy to another. Some women experience symptoms very early, while others might not notice anything until they've missed a period or even later. It's also important to remember that many early pregnancy symptoms can overlap with symptoms of your upcoming period (PMS) or other conditions.
Common Early Pregnancy Symptoms:
- Missed Period: This is often the first and most significant sign. If you have a regular cycle and your period is late, it's a strong indicator.
- Nausea with or without Vomiting (Morning Sickness): Can start as early as two weeks after conception. Despite the name, it can occur at any time of day or night.
- Tender, Swollen Breasts: Hormonal changes can make your breasts feel sensitive, sore, or heavier. The area around your nipples (areola) might also darken.
- Increased Fatigue: Feeling unusually tired is common in early pregnancy, often due to rising progesterone levels.
- Frequent Urination: You might find yourself needing to pee more often, even early on, as your body's blood volume increases and your kidneys work harder.
- Light Spotting or Cramping (Implantation Bleeding): Around 6 to 12 days after conception, some women experience light spotting and mild cramping as the fertilized egg implants in the uterus. This is often mistaken for a light period.
- Food Cravings or Aversions: You might suddenly develop strong preferences or dislikes for certain foods, or even smells.
- Mood Swings: The surge in hormones can make you feel more emotional, irritable, or tearful than usual.
- Bloating: Hormonal changes can cause you to feel bloated, similar to how you might feel before your period.
When to Take a Home Pregnancy Test
Most home pregnancy tests are designed to detect the pregnancy hormone human chorionic gonadotropin (hCG) in your urine. For the most accurate results, it's generally recommended to take a test at least one day after your missed period. Some highly sensitive tests can detect hCG earlier, but waiting until after a missed period reduces the chance of a false negative.
When to See a Doctor
If you get a positive home pregnancy test, or if you have multiple strong symptoms and a missed period, it's important to schedule an appointment with your healthcare provider. They can confirm the pregnancy, discuss your options, and begin prenatal care. Early prenatal care is crucial for a healthy pregnancy.
Disclaimer: This calculator is designed to provide a general indication based on common symptoms and timing. It is not a diagnostic tool. Only a medical professional can confirm a pregnancy. If you have concerns about a possible pregnancy, please consult with your doctor or a healthcare provider.
.pregnancy-calculator-container {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
max-width: 700px;
margin: 20px auto;
padding: 25px;
background-color: #f9f9f9;
border-radius: 10px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
color: #333;
}
.pregnancy-calculator-container h2 {
color: #880e4f; /* Darker pink/purple */
text-align: center;
margin-bottom: 20px;
font-size: 1.8em;
}
.pregnancy-calculator-container h3 {
color: #ad1457; /* Medium pink/purple */
margin-top: 25px;
margin-bottom: 15px;
font-size: 1.4em;
}
.pregnancy-calculator-container p {
line-height: 1.6;
margin-bottom: 15px;
}
.calculator-form .form-group {
margin-bottom: 15px;
display: flex;
flex-direction: column;
}
.calculator-form .form-group label {
margin-bottom: 8px;
font-weight: bold;
color: #555;
}
.calculator-form .form-group input[type="date"],
.calculator-form .form-group input[type="number"] {
padding: 10px;
border: 1px solid #ccc;
border-radius: 5px;
font-size: 1em;
width: 100%;
box-sizing: border-box;
}
.calculator-form .checkbox-group {
flex-direction: row;
align-items: center;
}
.calculator-form .checkbox-group input[type="checkbox"] {
margin-right: 10px;
transform: scale(1.2);
}
.calculator-form .checkbox-group label {
margin-bottom: 0;
font-weight: normal;
}
.pregnancy-calculator-container button {
display: block;
width: 100%;
padding: 12px 20px;
background-color: #ec407a; /* Pink */
color: white;
border: none;
border-radius: 5px;
font-size: 1.1em;
cursor: pointer;
margin-top: 25px;
transition: background-color 0.3s ease;
}
.pregnancy-calculator-container button:hover {
background-color: #d81b60; /* Darker pink */
}
.calculator-result {
margin-top: 30px;
padding: 20px;
background-color: #e8f5e9; /* Light green for positive/neutral results */
border: 1px solid #c8e6c9;
border-radius: 8px;
font-size: 1.1em;
line-height: 1.7;
color: #2e7d32; /* Dark green text */
text-align: center;
}
.calculator-result.warning {
background-color: #fff3e0; /* Light orange for warnings */
border-color: #ffe0b2;
color: #ef6c00; /* Dark orange text */
}
.calculator-result.high-likelihood {
background-color: #ffebee; /* Light red for high likelihood */
border-color: #ffcdd2;
color: #c62828; /* Dark red text */
}
.calculator-result strong {
color: #880e4f;
}
.calculator-article {
margin-top: 40px;
padding-top: 20px;
border-top: 1px solid #eee;
}
.calculator-article ul {
list-style-type: disc;
margin-left: 20px;
padding-left: 0;
}
.calculator-article li {
margin-bottom: 8px;
}
function calculatePregnancyLikelihood() {
var lmpDateStr = document.getElementById("lmpDate").value;
var cycleLengthStr = document.getElementById("cycleLength").value;
var intercourseDateStr = document.getElementById("intercourseDate").value;
var resultDiv = document.getElementById("result");
resultDiv.innerHTML = "";
resultDiv.className = "calculator-result"; // Reset class
if (!lmpDateStr || !cycleLengthStr) {
resultDiv.innerHTML = "Please enter your Last Menstrual Period date and Average Cycle Length.";
resultDiv.className += " warning";
return;
}
var lmpDate = new Date(lmpDateStr);
var cycleLength = parseInt(cycleLengthStr);
if (isNaN(lmpDate.getTime()) || isNaN(cycleLength) || cycleLength expectedPeriodDate) {
daysLate = Math.floor((today – expectedPeriodDate) / (1000 * 60 * 60 * 24));
}
var score = 0;
var likelihoodMessage = "";
var advice = [];
// — Score based on Missed Period —
if (daysLate > 0) {
advice.push("Your period is " + daysLate + " day(s) late.");
if (daysLate >= 1 && daysLate = 4 && daysLate 7) {
score += 30;
}
} else {
advice.push("Your period is not yet late, or is due soon.");
}
// — Score based on Unprotected Intercourse —
var intercourseDate = null;
var daysSinceIntercourse = -1;
if (intercourseDateStr) {
intercourseDate = new Date(intercourseDateStr);
if (isNaN(intercourseDate.getTime())) {
resultDiv.innerHTML = "Please enter a valid date for Unprotected Intercourse.";
resultDiv.className += " warning";
return;
}
if (intercourseDate > today) {
resultDiv.innerHTML = "Date of Unprotected Intercourse cannot be in the future.";
resultDiv.className += " warning";
return;
}
daysSinceIntercourse = Math.floor((today – intercourseDate) / (1000 * 60 * 60 * 24));
// Ovulation is typically around day 14 of a 28-day cycle, or cycleLength – 14 days before next period.
var ovulationDate = new Date(expectedPeriodDate);
ovulationDate.setDate(expectedPeriodDate.getDate() – 14); // Approximate ovulation date
var fertileWindowStart = new Date(ovulationDate);
fertileWindowStart.setDate(ovulationDate.getDate() – 5);
var fertileWindowEnd = new Date(ovulationDate); // Ovulation day itself
if (intercourseDate >= fertileWindowStart && intercourseDate <= fertileWindowEnd) {
score += 15; // Significant factor if intercourse was in fertile window
advice.push("Unprotected intercourse occurred during your estimated fertile window.");
} else if (intercourseDate 21) {
// If intercourse was too long ago, it's less likely to be the cause of current symptoms
advice.push("Unprotected intercourse was more than 3 weeks ago, making it less likely to be the cause of very early symptoms.");
} else if (intercourseDate > fertileWindowEnd && daysSinceIntercourse = 6 && daysSinceIntercourse = 40) {
likelihoodMessage = "High Likelihood";
resultDiv.className += " high-likelihood";
advice.unshift("Based on your inputs, there is a
high likelihood of pregnancy.");
advice.push("It is strongly recommended to take a home pregnancy test and consult a healthcare provider soon.");
} else if (score >= 20) {
likelihoodMessage = "Moderate Likelihood";
resultDiv.className += " warning";
advice.unshift("Based on your inputs, there is a
moderate likelihood of pregnancy.");
advice.push("Consider taking a home pregnancy test, especially if your period is late. Consult a healthcare provider if symptoms persist or worsen.");
} else if (score >= 5) {
likelihoodMessage = "Low Likelihood, but possible";
resultDiv.className += " warning";
advice.unshift("Based on your inputs, there is a
low likelihood of pregnancy, but it's not impossible.");
advice.push("Many early pregnancy symptoms can overlap with PMS. If your period becomes significantly late or you develop more symptoms, consider taking a home pregnancy test.");
} else {
likelihoodMessage = "Very Low Likelihood";
resultDiv.className += " calculator-result"; // Default green
advice.unshift("Based on your inputs, there is a
very low likelihood of pregnancy.");
advice.push("If you are concerned, or if your period is significantly delayed without other symptoms, it's always best to consult a healthcare provider.");
}
// Add a general disclaimer
advice.push("This calculator is for informational purposes only and cannot diagnose pregnancy. A home pregnancy test or a doctor's visit is necessary for confirmation.");
resultDiv.innerHTML = "
" + likelihoodMessage + "
" +
"" + advice.join("") + "";
}