Reproductive Biology Articles | Early Pregnancy Science

Sort by

View

Pregnancy

Biology 101: How Human Conception and Early Pregnancy Work

Human reproduction is often described as a single event called conception. In reality, it is a carefully coordinated biological journey that begins long before fertilization and continues through the earliest days of pregnancy. This guide explores how those first stages come together.

Paolo Piatti, PhD

•

Aug 4, 2026

Pregnancy

Common Fertility Myths vs Biological Reality

Fertility is surrounded by advice, assumptions, and repeated “rules” that sound simple but often do not match how human reproduction actually works.

Paolo Piatti, PhD

•

Jun 9, 2026

Pregnancy

Why Conception Timing Is Biologically Unpredictable

Conception can seem like it should follow a simple timeline. But behind the scenes, many tiny steps have to line up - from ovulation and fertilization to early cell division, movement, and implantation.

Paolo Piatti, PhD

•

Jun 9, 2026

Fertilization and early cell division - woman at beach

Pregnancy

Fertilization and Early Cell Division Explained

Fertilization is the biological moment when a sperm cell and an oocyte (egg cell) combine to form the first cell of a new organism. It is often described as the beginning of embryonic development.

Paolo Piatti, PhD

•

Apr 28, 2026

First 10 days after conception - couple watching sunset

Pregnancy

What Happens in the First 10 Days After Conception

The first days after conception are quiet, hidden, and biologically remarkable. Long before a pregnancy test can turn positive, a fertilized egg is already dividing, moving, and preparing for what comes next.

Paolo Piatti, PhD

•

Apr 28, 2026

Pregnancy

Hormonal Regulation of the Menstrual Cycle Introduction

The menstrual cycle is often treated like a clock. In reality, it’s more like a conversation - one shaped by hormones, timing, and signals between the brain, ovaries, and uterus.

Paolo Piatti, PhD

•

Apr 28, 2026

Ovulation timing - woman looking at sunset

Pregnancy

Ovulation: Timing, Signals, and Biological Variability

Ovulation is the event that makes pregnancy possible. But it’s often misunderstood.

Paolo Piatti, PhD

•

Apr 27, 2026