Pregnancy
Dating, trimester-by-trimester changes, prenatal milestones, and IVF dating.
pregnancy
Calculating Your Due Date by Ultrasound (CRL): A Plain-English Guide
First-trimester ultrasound is the most accurate way to date pregnancy. Here's exactly how the CRL measurement becomes a due date — and when to trust it over your LMP.
Apr 22, 2026 · medically reviewed
pregnancy
Pregnancy Symptoms by Week: What's Normal, What's Not
A week-by-week guide to pregnancy symptoms from week 4 to week 40 — when each symptom appears, what causes it, and when to call your provider. Based on ACOG guidance.
Apr 8, 2026 · medically reviewed
pregnancy
Twin Pregnancy Due Dates: Why 40 Weeks Is Not the Target
Twin pregnancy gestational targets, ACOG guidance for monochorionic vs dichorionic twins, why 35–37 weeks is typical, and IOM weight gain ranges for twin pregnancies.
Apr 5, 2026 · medically reviewed
pregnancy
Pregnancy Test Timing: When to Test and Why Missed Period Day Wins
When to take a home pregnancy test, hCG doubling rules, sensitivity differences between brands, and why the morning of your missed period is the safe bet.
Mar 22, 2026 · medically reviewed
pregnancy
First Trimester: Weeks 1–13 Milestones and What to Expect
What's developing in weeks 1–13, which symptoms are normal, when your first prenatal visit happens, and what NIPT involves — an honest, ACOG-grounded first trimester guide.
Mar 19, 2026 · medically reviewed
pregnancy
IVF Due Date Explained: Day 3, Day 5, and Frozen Transfers
IVF due dates are calculated differently than natural pregnancies. Learn the math for Day 3, Day 5, and Day 6 transfers — fresh and frozen — and why IVF dating is more accurate than ultrasound.
Mar 14, 2026 · medically reviewed
pregnancy
Gestational Age vs Fetal Age: The 2-Week Offset Explained
Why your provider says you are 8 weeks pregnant when conception was only 6 weeks ago. The LMP-based gestational age system, in plain language.
Mar 8, 2026 · medically reviewed
pregnancy
Miscarriage Rates by Week: What the Data Actually Show
A clear, gentle look at miscarriage probability by gestational week, why early ultrasound matters, and what an 80 percent risk reduction by week 8 really means.
Feb 25, 2026 · medically reviewed
pregnancy
Prenatal Vitamins: What the Evidence Actually Supports
Folic acid timing, iodine, DHA, iron, and the truth about premium prenatals. Evidence-based guidance on what to take and when.
Jan 17, 2026 · medically reviewed
pregnancy
Gestational Diabetes Screening: One-Step vs Two-Step and What to Expect
GDM screening at 24-28 weeks, one-step vs two-step glucose tolerance testing, who needs early screening, and what the numbers mean.
Jan 14, 2026 · medically reviewed
pregnancy
Labor Induction: When It Helps, When to Wait, and What the ARRIVE Trial Showed
Why labor is induced, what 39-week elective induction in low-risk pregnancy actually changes, Bishop score, and how to think about timing.
Jan 11, 2026 · medically reviewed
pregnancy
VBAC Success Rates: Who Is a Good Candidate and What Predicts Success
Vaginal birth after cesarean candidates, predictors of success, the MFMU calculator, and current ACOG guidance for safe trial of labor.
Jan 8, 2026 · medically reviewed
pregnancy
Group B Strep in Pregnancy: Screening, Treatment, What to Know
GBS screening at 36-37 weeks, what a positive result means, intrapartum antibiotics, and current ACOG guidance for safer deliveries.
Jan 5, 2026 · medically reviewed