| 1. | Gestation extends from fertilization to birth .
妊娠期系指从配种到分娩之间的时间。 |
| 2. | Blood progesterone remains constant throughout pregnancy .
血液孕酮含量在全妊娠期保持不变。 |
| 3. | The duration of pregnancy may be influenced by the endocrine functions of the fetus .
胎儿的内分泌机能亦可影响妊娠期。 |
| 4. | The immediate and important effects of feed intake in pregnancy are upon birth weight .
妊娠期饲料采食量直接而且极大地影响到仔猪初生重量。 |
| 5. | Edema extending from the udder to the umbilicus is frequently observed during late gestation in cows and mares .
牛和马在妊娠期自乳房至脐部常出现水肿。 |
| 6. | The energy economy of pregnancy is dominated by the biological adaptation of pregnancy anabolism .
妊娠的能量利用，受妊娠期合成代谢的生物学适应性所支配。 |
| 7. | The gestation period in cattlethe time that elapses between conception and birthis about 287 days .
牛的妊娠期（即从怀孕到生产的这段时间）大约是287天。 |
| 8. | The changing demand during pregnancy is buffered by the mobilization of fat reserves in the latter half of the pregnancy period .
整个妊娠期变化的要求，是通过妊娠后半期消耗体内储存的脂肪来缓冲的。 |
| 9. | Iaflueuce of high rish facrsus of preguancy on cervix
妊娠期高危因素对宫颈的影响 |
| 10. | Screening and management of gestational diabetes mellitus
妊娠期糖尿病的筛查与处理 |
