List of Prescription Drugs That Are Okay to Take While Pregnant While some antihypertensive medications used to lower blood pressure are considered safe, others can increase the risk of illness or death of the baby. While taking labetalon pregnant has its advantages and its side effects. Here are a few things you must know: Here are a few things you must know: Labetalol It helps reduce high blood pressure, and so your fetus as it has closely monitored while taking the drug. As said above, labetalol is to keep you safe. The BP level you are at (160/100) is where the risks of having a stroke (brain haemorrhage) really start to increase. Its just not worth risking that. Labetalol won't slow down the rate of progression of pre-eclampsia so you need to keep having the protein and bloods as well. But stroke is the main serious risk for you at the moment. Labetalol Pregnancy Warnings -Animal studies have failed to reveal evidence of teratogenicity, although an increased incidence of fetal resorption was demonstrated in some studies at doses approximating the maximum recommended human dose. It's common to develop hypertension, or high blood pressure, during pregnancy. Up to 10% of pregnant women do. Usually it starts after you've been pregnant for about 20 weeks. Labetalol has been used to treat high blood pressure in pregnant women. It is important to control high blood pressure for the health of the mother and unborn baby. Before taking Labetalol during pregnancy, consult your doctor or pharmacists to weigh the risks and benefits. In some animal studies involving labetalol and pregnancy, the drug appeared to have an adverse effect on fetuses. Although labetalol has not been studied adequately in pregnant women, it may increase the risk for health problems in the unborn child. Labetalol Levels and Effects while Breastfeeding Summary of Use during Lactation Because of the low levels of labetalol in breastmilk, amounts ingested by the infant are small and would not be expected to cause any adverse effects in fullterm breastfed infants. Is it Safe to Take Labetalol during Pregnancy. High blood pressure or hypertension is a serious concern for women during pregnancy. It can sometimes cause severe health complications for the mother and the developing baby.