Abstract
Even when conditions are optimal, the chance of a clinically recognized pregnancy occurring in a given menstrual cycle is much less than half. Besides failure of conception pre-clinical pregnancy loss is a major cause for the low fecundity observed in humans. Chromosome abnormalities are the predominant cause of this clinical problem, both in natural conceptions as well as after assisted reproduction [21]. About 42 % of all oocytes exposed to natural fertilization survive until after implantation, and only 31 % will lead to a live birth (Fig. 17.1).
| Original language | English |
|---|---|
| Title of host publication | Human Fetal Growth and Development: First and Second Trimesters |
| Editors | Niranjan Bhattacharya, Philip G. Stubblefield |
| Publisher | Springer International Publishing |
| Pages | 231-236 |
| Number of pages | 6 |
| ISBN (Electronic) | 9783319148748 |
| ISBN (Print) | 9783319148731 |
| DOIs | |
| Publication status | Published - 2016 |
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