Week 15 Size: Apple
About the size of a sweet apple.
Relative Visual Scale
Solid circle represents your baby's size. Dotted circle shows the full-term week 40 size threshold.
Pharmedoc U-Shape Pregnancy Pillow
Supports your back, hips, knees, and belly to relieve pregnancy discomfort and prevent sleeping on your back.
FTC Disclosure: As an Amazon Associate, we earn from qualifying purchases at no extra cost to you.Baby's Development
The baby's skeleton is developing bones (ossification). They can sense light through their fused eyelids, and their hearing is starting to develop, allowing them to hear your heartbeat and digestive sounds.
Weekly Milestones
- ✦ Hearing Development Begins
- ✦ Bone Ossification
Your Body & Symptoms
You might experience 'pregnancy brain' or forgetfulness. Nasal congestion and occasional nosebleeds can happen due to increased blood flow to mucous membranes.
Common Symptoms this Week
Doctor & Care Recommendations
- ✓ Keep checklists and reminders to manage forgetfulness.
- ✓ Use a saline nasal spray or humidifier for congestion.
- ✓ Continue brushing and flossing gently, and visit your dentist.
PregWeeks
CHECKLISTUltimate Hospital Bag & Birth Plan
Print-Ready PDFThe Ultimate Hospital Bag Checklist & Birth Plan PDF
Prepare for labor with confidence. Our doctor-reviewed checklists ensure you don't forget any newborn or partner essentials in the hospital delivery room.
- ✓ Clinical OB-GYN Approved List: Separate checklists detailing exactly what mom, partner, and newborn baby require for a standard 3-day recovery stay.
- ✓ 10-Second Birth Preference Builder: Minimalist visual plan templates designed to help delivery nurses digest your labor choices instantly on check-in.
- ✓ 1-Click Offline Access: High-resolution, print-ready document formatted to download directly to your mobile device for offline reference in the clinic.
Weekly Health Guides & Resources
Second Trimester Guide
Read comprehensive clinical milestones, screening checklists, and developmental guidelines for this phase.
Track & Relieve Symptoms
Learn why symptoms occur, home remedies, and clinical indicators for this week:
Food Safety Checklists
Verify safety statuses, listeria and mercury risks, and safe alternatives for:
Frequently Asked Questions: Week 15
Evidence-Based Clinical Sources for Week 15
PregWeeks is dedicated to medical transparency. Every milestone, symptom tip, and fetal development guideline for Week 15 is sourced directly from clinical guidelines published by leading obstetric authorities. Read more about our editorial methodology on our Medical Sources page.
Prenatal Diagnostic Testing for Genetic Disorders (Practice Bulletin No. 162)
ACOGClinical recommendations for mid-pregnancy screening options, including the anatomy ultrasound scan commonly scheduled between weeks 18 and 22.
View Clinical Guideline ↗Gestational Diabetes Mellitus (Practice Bulletin No. 190)
ACOGPractice standards for screening and diagnosing gestational diabetes mellitus (GDM), typically scheduled between weeks 24 and 28.
View Clinical Guideline ↗Implementing a Gestational Diabetes Screening Protocol (Committee Opinion No. 798)
ACOGStandardized protocols for glucose screening tests to detect gestational diabetes and optimize maternal-fetal metabolic health.
View Clinical Guideline ↗Get weekly pregnancy updates
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