Central to this all is a zygote, which is what’s formed after a sperm and egg have a little rendezvous. Here’s what happens. A zygote is a fertilized egg.[1]#1 It’s created when sperm meets ...

Evaluative effectiveness of follicular output rate, ovarian sensitivity index, and ovarian response prediction index for the ovarian reserve and response of low-prognosis patients according to the ...

Single-cell characterization of healthy fallopian tubes revealed shifts in cell and gene expression throughout the menstrual ...

Mature ova are released from the ovary into the oviduct where they may be fertilised by sperm to form a zygote. In humans, fertilisation happens inside the woman’s body. This is a process called ...

Here's why. Identical twins (also called monozygotic or MZ twins) are conceived when a single sperm fertilizes a single egg and the resulting zygote divides in two. Because the zygote originated ...

These two haploid cells produce a diploid zygote. Hormonal control of reproduction Hormones control puberty, the menstrual cycle, and sperm production and play a crucial role in in the control of ...