Calm, clinician-checked guidance for every week of your pregnancy

First Trimester

First Trimester is a recurring thread in our coverage. This hub collects every article tagged First Trimester, newest first, each written with the calm, well-sourced detail expecting parents actually need.

Prenatal Care & Testing

First-Trimester Combined Screening vs. NIPT: Which to Choose

Nuchal translucency plus bloodwork or a cell-free DNA blood draw — a board-certified OB-GYN breaks down the accuracy numbers, timing differences, insurance realities, and the one rule ACOG is firm about: pick one, not both.

Trimester by Trimester

Your First Prenatal Appointment: Bloodwork, Ultrasound & Costs

A calm, step-by-step walkthrough of what happens at your 8–10 week prenatal visit — the standard ACOG lab panel, how the dating ultrasound works, and what it all costs with and without insurance.

Prenatal Care & Testing

Ectopic Pregnancy Symptoms: Warning Signs You Should Never Ignore

A pregnancy that implants outside the uterus cannot survive—and can quickly become life-threatening. Here is how to recognize the symptoms early, what the shoulder-tip pain signal means, and when to call 911.

Trimester by Trimester

Due Date Calculation: Naegele's Rule vs. Ultrasound Dating

Your due date is a carefully derived estimate — not a deadline. Here's exactly how clinicians calculate it, why fewer than 5% of babies arrive on that day, and what first-trimester ultrasound changes when LMP isn't reliable.

Nutrition & Supplements

How Much Caffeine Is Safe During Pregnancy?

ACOG's 200 mg ceiling, the hidden sources that push you over it, why caffeine lingers longer as pregnancy progresses, and the case for drinking less than the maximum.

Frequently asked

What is First Trimester?

First Trimester is a topic our editors cover across the site. This hub aggregates the related guidance. It is general information, not a substitute for the care of your own provider.

How often is the First Trimester hub updated?

This hub updates automatically whenever a new article is tagged First Trimester, so the latest coverage appears first.

Who writes the First Trimester coverage?

Every article here is written by the New Natal Women editorial team — a clinician-led masthead of a nurse-midwife, OB-GYN, registered dietitian, physical therapist, and other specialists — so the guidance is accurate and grounded.