Pregnancy Health14 min read
Moms' Most Common Questions and Worries
The questions you grab your phone and type into a search engine at 3 a.m.... This section is exactly for those. We've gathered the questions moms ask most in…
Read articleMomo · AI assistant inside
Momly — Your AI Pregnancy Companion
Track your pregnancy week by week, ask Momo AI your questions, explore trusted pregnancy guides, and prepare for birth and postpartum with personal tools designed for your journey.
- Week-by-week pregnancy tracking
- 3D baby size models
- Momo AI, your pregnancy assistant
- Privacy-first — your data stays on your device
No ads, no analytics tracking
Momo AI
Meet Momo, your pregnancy-focused AI assistant
Momo AI helps you ask pregnancy and postpartum questions more easily and get warm, clear answers based on Momly’s trusted in-app guide content.
- Ask pregnancy-related questions
- Understand weekly changes
- Learn about baby development
- Get guide-based answers
- Explore nutrition, symptoms, safe exercise, birth preparation, and postpartum topics
- Designed for informational support, not medical diagnosis
Momo AI is for informational purposes only. It does not provide medical advice, diagnosis, treatment, emergency assessment, or replace a healthcare professional.
Week by week
Follow every week of your pregnancy
From week 4 to week 40 — baby development, how your body changes, common symptoms, nutrition and tips, plus a 3D size model for every week inside the app.
Trimester 1poppy seed
Week 4
Size of a poppy seed
Your baby, now an embryo, is about 1-2 mm long, roughly the size of a poppy seed. It's growing quickly inside your uterus.
Read moreTrimester 1sesame seed or orange seed
Week 5
Size of a sesame seed or orange seed
This week your embryo is about 2 mm long, roughly the size of a sesame seed. It may look a little like a tadpole, with a primitive head structure and a small, tail-like protrusion. This is a very important week, when the foundations of the organ systems are being laid.
Read moreTrimester 1pea
Week 6
Size of a pea
Your baby, or embryo, is about 6 mm long, roughly the size and shape of a pea. With a curved back and a little tail, some people think it looks like a tiny tadpole.
Read moreTrimester 1blueberry
Week 7
Size of a blueberry
Your baby, or embryo, is now about half a centimeter long (roughly 10 mm from crown to rump); about the size of a blueberry. Your baby has grown remarkably fast compared to just a month ago.
Read moreTrimester 1raspberry
Week 8
Size of a raspberry
Your baby, now called a fetus, is about 1.6 cm long from crown to rump and weighs roughly 1 gram, about the size of a raspberry. Your little one will double in size by next week!
Read moreTrimester 1grape
Week 9
Size of a grape
Your baby, now called a fetus, is about 2.3 cm from crown to rump and weighs roughly 2 grams, about the size of a grape.
Read moreTrimester 1small tangerine
Week 10
Size of a small tangerine
Your baby, now officially a fetus, measures about 3.1 cm from crown to rump and weighs roughly 4 grams, about the size of a small tangerine.
Read moreTrimester 1fig
Week 11
Size of a fig
Your baby, now a fetus, measures about 4.1 cm from crown to rump and weighs roughly 7 grams, about the size of a fig. The head still looks large compared to the body, but the body keeps lengthening quickly.
Read moreArticles
Trusted pregnancy & postpartum reading
Long-form guides on nutrition, safety, birth preparation, postpartum recovery, newborn care and baby development.
Nutrition8 min read
Foods to Avoid and Limit During Pregnancy
When you're pregnant, your body recalibrates its immune balance to protect your baby, and one side effect is that you become more vulnerable than usual to certain…
Read article
Birth Preparation7 min read
Birth Interventions: When and How?
Birth doesn't always go by the book—and that's not a problem. Sometimes adding a little support to the process (easing pain, starting labor, helping the baby in the…
Read article
Postpartum10 min read
After Birth: The Postpartum Period and Recovery
The postpartum period, sometimes called the "fourth trimester," begins when your baby is born and lasts about six weeks — a stretch of time when your body and your…
Read article
Newborn Care8 min read
Newborn Care: The First Days
You waited nine months, and now they're in your arms—probably with a hundred questions running through your mind. Take a breath: newborn care is a skill you learn,…
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Baby Development & Feeding2 min read
Month-by-Month Baby Development (0–6 Months)
"My neighbor's baby has started rolling over, and mine is still just looking around!"—stop, no comparing. Every baby develops on their own timeline, and the range…
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Family & Extras1 min read
Becoming a Dad
As I write these lines, we are no longer two; between us there is a little one we haven't met yet but already love.
Read article
Safety & Everyday Life24 min read
What Not to Do in Pregnancy
During pregnancy, certain behaviors, foods, medications, environmental exposures, and daily habits can pose risks to the health of both mother and baby. This guide…
Read articleGuides
Explore Momly Guides
Every guide on this site comes from the Momly app's own content library — pregnancy weeks, nutrition, things to avoid, safe exercise, birth preparation, postpartum recovery, newborn care, breastfeeding, baby sleep, vaccines and baby development.
Pregnancy Health
Guides about how pregnancy feels and what it changes — from common questions and body changes to mental wellbeing and antenatal screening topics.
7 guides
Nutrition
What to eat, what to limit and what to avoid during pregnancy and breastfeeding, straight from the Momly in-app nutrition guides.
2 guidesSafety & Everyday Life
Day-to-day pregnancy questions: things to avoid, habits to change, and how to plan travel more comfortably.
2 guidesBirth Preparation
Get ready for the big day — birth interventions explained, your hospital and shopping checklist, and practical planning topics.
5 guidesPostpartum
The fourth trimester: physical recovery, emotions, breastfeeding and finding your rhythm after birth.
3 guidesNewborn Care
The first days and weeks with your baby — daily care, safe sleep, bath and skin care, vaccines and screenings.
4 guidesBaby Development & Feeding
Month-by-month baby development and how feeding evolves from milk to first solid foods.
2 guidesFamily & Extras
The lighter side of the journey — becoming a dad, baby name ideas and your baby’s zodiac sign.
3 guidesFeatures
Everything you need, in one calm place
Momly brings your pregnancy tracking, your guides and Momo AI together — designed to feel gentle rather than clinical.
Week-by-week tracking
See your baby’s weekly growth with real 3D fruit models you can rotate, and follow your pregnancy day, trimester and days until your due date at a glance.
Health & personal tracking
Chart your weight, log symptoms and your daily mood, count baby movements, and time contractions as birth gets closer.
Reminders that fit your routine
Set reminders for folic acid, iron and the supplements your doctor recommends, and get a notification each time a new week begins.
Birth preparation
Hospital bag checklist, questions to ask your doctor, birth interventions explained, and practical notes on birth packages and insurance.
Postpartum & newborn
Guides for recovery, newborn care, breastfeeding, vaccine schedules and baby sleep — plus baby name ideas and a place to note gifts.
Emergency screen
See nearby hospitals on a map and get directions in one tap, and share your location with the people you choose. Add it to your Lock Screen too.
Health & safety
Information, not a diagnosis
Momly and Momo AI are intended for informational and personal tracking purposes only. They do not provide medical advice, diagnosis, treatment, emergency care, or replace consultation with a healthcare professional. Always consult your doctor, midwife, or healthcare provider about your pregnancy, your baby, or your health.
Privacy
Your pregnancy data belongs to you
Momly was built so that the most personal parts of your journey never leave your own devices.
- Your personal tracking data stays on your device and in your own private iCloud.
- No data is sent to us or to third parties.
- Momly has no ads and no analytics tracking.
- Apple Health access is optional — you decide whether to share step, water and energy data.
- Location is used only to show nearby hospitals and, if you choose, to share your location in an emergency. It is not stored.
Read the full Privacy Policy and Terms of Use.
FAQ
Questions moms ask us
Is Momly medical advice?
No. Momly and Momo AI are for informational and personal tracking purposes only. They do not replace medical advice, diagnosis, treatment, emergency care, or consultation with a healthcare professional.
What can I ask Momo AI?
You can ask pregnancy and postpartum questions related to weekly changes, baby development, symptoms, nutrition, safe exercise, birth preparation, and postpartum topics.
Can I use Momly without Apple Health?
Yes. Apple Health access is optional.
Where is my data stored?
Your personal tracking data stays on your device and in your own private iCloud.
Does Momly have ads?
No. Momly does not include ads or analytics tracking.
What should I do in an emergency?
If you experience a medical emergency, contact emergency services or go to the nearest healthcare facility.
Start following your week today
Momly is available on iPhone — with week-by-week tracking, guides and Momo AI.