nilu
Week by week

Follow the changes without turning everything into worry

Content for each stage, preparation for appointments, birth and practical life — with visible sources and plain language.

Gestante sorrindo enquanto acaricia a barriga
Week by week

My pregnancy, week by week

Open any week to understand where you are now or take a calm look at what's coming next.

Week1The cycle beginsIllustration of the start of the cycle and of the pregnancy countWeek2Close to ovulationIllustration of ovulation with the eggWeek3Fertilization may happenIllustration of the embryo's first cell divisionsWeek44 weeksVisual reference: a poppy seedWeek55 weeksVisual reference: a sesame seedWeek66 weeksVisual reference: a lentilWeek77 weeksVisual reference: a blueberryWeek88 weeksVisual reference: a raspberryWeek99 weeksVisual reference: a grapeWeek1010 weeksVisual reference: a strawberryWeek1111 weeksVisual reference: a figWeek1212 weeksVisual reference: a limeWeek1313 weeksVisual reference: a plumWeek1414 weeksVisual reference: a lemonWeek1515 weeksVisual reference: an appleWeek1616 weeksVisual reference: an avocadoWeek1717 weeksVisual reference: a turnipWeek1818 weeksVisual reference: a bell pepperWeek1919 weeksVisual reference: a pomegranateWeek2020 weeksVisual reference: a bananaWeek2121 weeksVisual reference: a mangoWeek2222 weeksVisual reference: a sweet potatoWeek2323 weeksVisual reference: a grapefruitWeek2424 weeksVisual reference: an ear of cornWeek2525 weeksVisual reference: an acorn squashWeek2626 weeksVisual reference: a spaghetti squashWeek2727 weeksVisual reference: a head of cauliflowerWeek2828 weeksVisual reference: a large eggplantWeek2929 weeksVisual reference: a butternut squashWeek3030 weeksVisual reference: a large cabbageWeek3131 weeksVisual reference: a coconutWeek3232 weeksVisual reference: a papayaWeek3333 weeksVisual reference: a pineappleWeek3434 weeksVisual reference: a cantaloupe melonWeek3535 weeksVisual reference: a honeydew melonWeek3636 weeksVisual reference: a head of romaine lettuceWeek3737 weeksVisual reference: a bunch of chardWeek3838 weeksVisual reference: a mini watermelonWeek3939 weeksVisual reference: a pumpkinWeek4040 weeksVisual reference: a watermelon

Swipe sideways to see every week, from week 1 to week 40.

Explore by topic

What you will find here

Short paths, clear language and a next step whenever it makes sense.

Gestante sorrindo enquanto acaricia a barriga
01

Your body

Common symptoms, well-being and signs that call for professional advice.

Explore
Casal conversando com uma profissional de saúde
02

Prenatal care and tests

What usually happens and how to prepare good questions.

Explore
Casal junto durante a gestação
03

Birth and preparation

Choices, rights, hospital bag, birth plan and support network.

Explore
Free tools

Calculations and ideas for this moment

Use them without signing up. Assumptions and limits appear next to every result.

Gestante acariciando a barriga em um parqueFree

Pregnancy calculator

See your gestational age and estimated due date.

Use now Mulher sorrindo ao olhar um teste de gravidezEstimate

Conception date calculator

Find a likely window based on your estimated due date.

Use now Mãos escolhendo letras de madeira para formar o nome LiaA–Z

Baby name meanings

Search names by meaning, origin, theme and letter.

Use now Bebê sorrindo no colo de uma pessoa cuidadoraNo scientific evidence

Chinese baby gender calculator

See the guess from this folk tradition, with its limits clearly explained.

Use now Gestante acariciando a barrigaReference

Weight gain during pregnancy

Compare your weight gain with reference ranges for your pregnancy week.

Use now
Picked by Nilu

Reads for this stage

Review visible on every piece of content
This weekWhat changes around week 205 min readGet organizedUseful questions to take to your prenatal visitsPractical checklistRightsA companion during birth: where to startBrazilian contextStart hereYour first prenatal care appointment: how to prepare5 min readWell-beingNausea in pregnancy: what may help and when to ask for help5 min readPreventionVaccines during pregnancy: how to organize your vaccination card in 20265 min readBirthSigns of labor: what to watch for before you head out6 min readSkin and bodyStretch marks in pregnancy: what can really help your skin5 min readGuidePrenatal care: what the WHO recommends for a positive pregnancy experienceLeitura de 8 min readGuideHealth in pregnancy: where to find reliable information from Brazil's Ministry of HealthLeitura de 5 min readGuideHow to cope with fear of childbirth: practical tips and emotional supportLeitura de 8 min readGuideEating during pregnancy: what to avoid and what precautions to takeLeitura de 7 min readGuideWater aerobics during pregnancy: lightness, movement and strength in the waterLeitura de 10 min readGuideLower back stretches: how to safely ease back discomfortLeitura de 6 min readGuideCan you get a keratin straightening treatment during pregnancy? What to consider before straightening your hairLeitura de 5 min readGuideEarly pregnancy symptoms: what are the first signs?Leitura de 5 min readGuideBleeding during pregnancy: when it's a warning sign and what to doLeitura de 9 min readGuideNegative pregnancy test, but still suspicious? Understanding false negativesLeitura de 6 min readGuideHeartburn in pregnancy: why it happens and how to relieve it safelyLeitura de 8 min readGuideFood allergies in pregnancy and childhood: how to approach eating safelyLeitura de 11 min readGuideMood swings in the first trimester: why does your mood change so much in early pregnancy?Leitura de 4 min readGuideSalt during pregnancy: can you add salt to your food?Leitura de 3 min read
Supporter community

Nilu grows with its community.

Nilu is independent and free. If it helped you, support it once with any amount from R$ 1 via Pix and help more families use the tools and content.

Support with Pix Meet the community