Taking Care of Yourself Today
Multiplies Your Choices for Tomorrow
What you need to know in your 20s and 30s
so you don't struggle with pregnancy later.
24 medical facts every woman and partner should know,
compiled into one accessible book.

Do You Ever Feel This Way?
I feel anxious seeing pregnancy announcements, but I don't know where to start.
My career matters. But when is my body's actual 'biological deadline'?
Online fertility info is terrifying. What's actually medically accurate?
I want kids in the future, but I don't know how to bring it up with my partner.
There is "a year's worth of difference"
between knowing and not knowing.
This book clearly organizes 0 medical facts
that a fertility specialist wishes you knew sooner.
I thought "pregnancy will just happen someday."
I learned there's a biological window for pregnancy, helping me plan the best timing for us.
I felt vaguely anxious about my fertility future.
By understanding my body's current state and the facts, I can now create a concrete life plan.
I didn't know what to believe among all the online information.
I'm efficiently learning the 24 essential points carefully curated by a fertility specialist.
I tended to just "wait and see" without acting.
I now know exactly when to see a doctor and what to discuss with my partner today.
Change your “I didn't know”
starting today.
📖 Buy on Amazon →Inside the Book
- Why think about this in your 20s and 30s?
- The relationship between egg count and age
- Basics of AMH (Anti-Müllerian Hormone)
- The reality of pregnancy rates and age
- Age factors for male partners
- Irregular periods and future impact
- How to track basal body temperature and ovulation
- The importance of gynecological exams
- The mechanism of achieving pregnancy
- How to time intercourse correctly
- Communication with your partner
- General fertility treatments (Timed intercourse, IUI)
- Assisted Reproductive Technology (IVF, ICSI)
- Timeline and cost expectations for treatments
- Understanding Primary Ovarian Insufficiency (POI)
- Understanding Polycystic Ovary Syndrome (PCOS)
- What you can learn from a pre-marital fertility check

Take a Sneak Peek
📖 Take a Sneak Peek Inside





← Swipe to read →← Scroll to read →
- Title
- Thinking in your 20s: Choices for a Future Pregnancy...
- Author
- Takuma Sato, MD, PhD
- Format
- Paperback & Kindle Edition
Takuma Sato
MD, PhD
In my daily practice, I have often experienced situations where I thought, "If only they had discovered this knowledge sooner."
To help everyone envision the life they truly want, I want to share insights from a medical perspective that can expand your future choices. With this sincere hope, I have distilled 24 essential medical facts into this single book.
Board-certified Reproductive Medicine Specialist by the Japan Society for Reproductive Medicine. Graduate of Jikei University School of Medicine.
Dedicated to clinical practice and research in fertility treatments. Starting April 2025, attending physician at Omotesando ART Clinic.
Actively sharing accurate, accessible medical knowledge via "note", "Instagram", and "X".
IVF Success Rate Simulator
Estimate your cumulative live birth rate based on age, AMH, and clinical parameters. Built on peer-reviewed evidence, this Monte Carlo simulation helps you visualize treatment timelines and make informed decisions.
Try the Simulator →Free · No registration required · Results are for educational purposes only
Reader Voices
"I purchased this after seeing a trusted female physician recommend it on social media. It clearly explains the information working women need to know regarding future pregnancy and childbirth. It specifies what conditions you should aim for by when, which I find very helpful for life planning. I also thought it would be a great book for partners to read."
— Hiyokomame (Amazon)
"An excellent book that explains medical evidence regarding pregnancy in an easy-to-understand way with illustrations, from the standpoint of a specialist. Beyond just listing medical facts, you can feel the author's sincere wish for the readers' happy life planning throughout, drawn from his own experiences as a father and part of a dual-income couple."
— Sakura (Amazon)
Frequently Asked Questions
*Supervised by Takuma Sato, Reproductive Medicine Specialist

Available Now in Kindle & Paperback
For your future self,
start with a few pages today.
Accessible medical knowledge backed by a fertility specialist.
Read the Kindle Edition in 3-minute chunks on your phone.
If you think your partner should read this
This page is supervised by Reproductive Medicine Specialist Takuma Sato. © Educate Press