Sentences with phrase «fertilisation occurs»

If fertilisation occurs, the eggs may take up to a week before they attach themselves to the uterine wall.

More work is needed to determine whether the nutritional composition of the gift could make her less receptive to further matings or could in some way ensure that fertilisation occurs.

Not exact matches

It occurs when something goes wrong during the fertilisation process, and is caused by an abnormal cell growth of all or part of the placenta.

It occurs 6 days after fertilisation has occurred.

Reproduction of flowering plants occurs within a plant's ovule by the fertilisation of both the egg and a larger central cell by two sperm cells.

«When just a single sperm enters the bird egg, fertilisation may occur normally, but the resulting embryo will probably die at a very early stage.

The smaller eggs from overweight and obese women were less likely to reach a crucial stage of development called the «blastocyst», which occurs around five days after fertilisation when the embryo resembles a hollow ball of cells.

Fertilisation is then less likely to occur as a result.

Female dogs tend to ignore them during this period, as fertilisation can not occur at this stage.

Maximum growth occurs when a range of conditions are optimum — temperature, fertilisation, moisture etc etc..