Real, evidence-based guidance for exactly where you are right now.
Baby Development
The skeleton is hardening from soft cartilage into bone. The fetus can sense light, though eyelids remain fused shut.
Your Body This Week
The uterus is now noticeably above the pubic bone; a real bump is often visible now.
Diet
Continue a varied, nutrient-dense diet, with continued attention to iron-rich foods as blood volume keeps expanding.
Supplements
Continue your prenatal vitamin.¹
Tests
If pursuing second-trimester screening (quad screen), this window (15-20 weeks) is when it's typically offered.⁴
Vaccinations
None specific to this week.
Exercise
Continue regular, moderate activity as tolerated.²
Red Flags — When to Call Your Doctor
Heavy bleeding, severe pain, or fever warrants urgent medical attention.
Doctor Visits
Routine follow-up as scheduled.
Mental Health
A visible bump can bring a real, tangible sense of the pregnancy becoming more concrete — a meaningful moment for many.
Frequently Asked Questions
What is the quad screen, and do I need it?
It's an optional blood test screening for chromosomal conditions and neural tube defects, done between 15-20 weeks. Like first-trimester screening, it's entirely your choice, not a requirement.
References