Babyプラス｜妊娠の悩みを解決！医師監修のコンテンツが満載

★Have fun chatting with your baby even before they're born!

★Packed with accurate information from doctors and specialists!

★Usable from early pregnancy through postpartum!

Baby Plus: A free information app usable from pregnancy and childbirth to postpartum!

An app for expectant mothers and fathers, and their unborn babies.

Packed with convenient features including "animations of your growing baby" and "information articles tailored to your pregnancy week"!
Enjoy a safe and secure maternity life with Baby Plus!

You can share the app with your partner and your baby's grandparents.

Let's make your pregnancy even more fulfilling by using the app together as a family!

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No. 1 in referrals from obstetricians and gynecologists!

*According to our research

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Total downloads: Over 1.6 million!

*As of March 2026

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Number of affiliated medical institutions: Over 1,800 nationwide!

*Number of medical institutions introducing Baby Plus

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Number of articles: Over 150!

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Even if you write your opinions or bug reports in the App Store review, we may not be able to grasp the details. Therefore, we would appreciate it if you could contact us using the inquiry form below.

https://www.hearzest.co.jp/contact/?msclkid=d18438eac14211ec8ef7886f6fe5ad7d
We apologize for the inconvenience, and thank you for your cooperation.
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Reliable information supervised by obstetricians and gynecologists!

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All articles are written and supervised by obstetricians and gynecologists. If you have any questions during your pregnancy, please use the 'Baby Plus' app as a guide, or consult your obstetrician/gynecologist.
You can search by theme and category, so you can easily find what you want to know!

・Search by Theme
- When You Find Out You're Pregnant
- Your Body During Pregnancy
- For Your Partner
- Life as a Pregnant Woman
- Childbirth & Postpartum Period
- Life with Your Baby

・Search by Category
- Pregnancy: Early, Mid, and Late Stages
- Childbirth: Childbirth & Postpartum Period
- Infants: Newborns, 0-Year-Olds, 1-Year-Olds
- Q&A: Answers from Doctors

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Adorable Animation of Your Baby in the Womb

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With animations of your baby that change according to your pregnancy week, you can feel your baby's growth in the womb.
The baby makes cute poses every day.
Don't miss the baby's daily chatter! The baby will chatter about fun things according to the seasons and tell you about your body and the baby's condition.
For partners who share the app with Mom, there are also messages for Dad!

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Delivered weekly! Things you should know by week of pregnancy

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Changes and symptoms in your body during pregnancy, work, childbirth...
First pregnancies are full of unknowns.
We deliver articles from doctors, midwives, and experienced mothers, week by week of pregnancy, to answer the worries and questions of expectant mothers and their partners! You can check them immediately from the app's home screen.
We deliver reassuring information that is tailored to the feelings of moms and dads.

- What should you know first when you think you might be pregnant?
- Your due date is finally confirmed! What should you do before starting prenatal checkups?

- What should you do during pregnancy when you want to breastfeed after giving birth?

- Almost time for delivery! Hospital bag packed! What's the last thing to check?

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Convenient features for pregnant women!

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• Weight Management
Not only does it record your weight during pregnancy, but it also displays the estimated range of weight gain!

• Pregnancy Calendar
A personalized calendar assigned to your pregnancy month and week.
Use it to check your due date and plan ahead.

• Fetal Movement Counter
Know how active your baby is in your womb!
Start counting fetal movements once you begin to feel them.

• Contraction Counter
Invaluable in emergencies! Simply tap the button on the screen to measure the interval between contractions.

* **Food List**
"What foods are high in folic acid?" "What is the recommended daily caffeine intake for pregnant women?"
This app provides information on nutrients pregnant women should actively consume and foods they should be careful about.
Because it's something you think about every day, you can check this important food information anytime, anywhere with the app.

* **Financial Procedures**
"Are you a company employee before and after childbirth?" "Are you quitting your job during pregnancy?" "Are you a stay-at-home mom or self-employed?" Which type are you?
There are 11 types of financial support programs available through public assistance during pregnancy and childbirth.
Check which programs you are eligible for.

* **Album**
You can save precious memories such as ultrasound photos and pregnancy records in the app.

* **Checkup and Examination Guide**
This guide provides detailed explanations of various examinations performed during prenatal checkups. Use it not only to prepare before examinations but also to deepen your understanding of the examination results.

* **Preventive Dentistry Guide**
During pregnancy, the oral environment changes, making it a time when tooth and gum (gingival) problems are more likely to occur. Learn about oral care methods for each stage of pregnancy and make "preventive dentistry" a habit.

You can also search for dental clinics near you!

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Recommended for pregnant women like this!
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・First-time pregnant and there are things you don't know and things you're worried about
・Want to know what to be careful about during pregnancy
・Want to count the intervals between contractions and fetal movements
・Want to watch your baby grow in your womb with animations
・Want to watch your baby grow together with your partner
・Want a reliable app supervised by an obstetrician/gynecologist
・Want to know more about subsidies and support funds
・Want to keep albums of ultrasound photos and daily records
・Want to share your baby's growth records on social media
・Want to know necessary information according to your week of pregnancy
・Weight management I would like to know more about the following:
- I want to know how to use my maternal and child health handbook effectively.
- I want to know about recommended foods.
- I'm looking for an app that will support my maternity life.
- I want to confirm what I should do before my due date.
- I want to know how to alleviate severe labor pains.
- I want a labor pain app that can easily measure contractions when they start.
- For those who think keeping a labor pain record is difficult.
- I want to know about recommended post-partum diet information.
- I want to manage my physical condition and weight.
- I want to keep a diary of my maternity life.
- I want to know how to get through severe morning sickness.

*This app is the app version of "Baby Plus: A Doctor's Guide to Pregnancy and Childbirth."