If you've missed your period and been having sex (penis in vagina sex) you could be pregnant. Find out about pregnancy signs or use our pregnancy calculator to estimate how many weeks pregnant you could be. The only way to find out for sure is to take a pregnancy test.
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Pregnancy calculator
To estimate how many weeks pregnant you could be, select the first day of your last period in the Calendar, then click Calculate. Even if you know the date that you had sex, what's important is the date of your last period.
Current weeks of pregnancy (gestation)
Current gestation
Information you enter will be private and anonymous. Use of the pregnancy calculator is for information purposes only. It is an estimate and isn't a substitute for a pregnancy test or medical advice from a nurse, doctor or midwife.
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Signs you might be pregnant
If you've been having sex (penis in vagina sex), you might be pregnant if:
- Your period is late or lighter or shorter than usual.
- You're more tired than usual.
- Your breasts are tender or swollen.
- You need to pee/mimi (urinate) more than usual.
- You feel like throwing up (have nausea) or throw up (vomit).
- You have mood changes.
- You crave some food and other food makes you feel sick.
- You feel bloated or have period-like cramps.
Take a pregnancy test
To confirm you are pregnant, take a pregnancy test.
Pregnancy tests work. You can get them from:
- Family Planning. If you're under 22 years old and a New Zealand citizen/resident, your visit to Family Planning is free. If you're over 22 and a New Zealand citizen/resident, and your pregnancy test is positive, your visit will be free. Find out about Family Planning fees for non-New Zealand residents.
- Supermarkets and pharmacies. Pregnancy tests range in price from $8.00 to $30.00. They work as long as you follow the instructions carefully.
- Your nurse, doctor or midwife.
- School or student health services.
- Sexual health clinics.
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When to take a pregnancy test
Wait at least a week after you’ve missed your period to take a pregnancy test. It's best to test first thing in the morning, when your pee/mimi is most concentrated.
Follow the instructions on the pregnancy test carefully.
A positive test means you are pregnant.
A negative test means you are not pregnant.
If the test is negative but you still feel you could be pregnant, contact your nurse or doctor, or Family Planning. You might have to do a repeat pregnancy test or a blood test.
If the test is negative and you don’t want to get pregnant, check out contraception options at Family Planning or with your nurse or doctor.
Pregnancy options
Is your pregnancy test positive?
Find out about your options.Contraception options
If you're having sex (penis in vagina sex), using contraception is the best way to prevent pregnancy. Some types of contraception also protect you against sexually transmitted infections (STIs). There are many different types of contraception. Some work better than others.
Visit Family Planning for information about contraception.
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Need to talk?
If you can’t find the information you're looking for, or you prefer to talk to us, there are a number of ways to get in touch.