Dr. Mark Grenitz
Obstetrics and Gynecology
Plantation, FL
11 years experience
Locations
Office
Plantation, FL
Phone
Practice website
About
Bio
Mark is a graduate of The University of Miami School of Medicine and completed his residency training at The Albert Einstein College of Medicine. He has been in private practice since July 1990. He currently teaches PA Students at Kaiser University along with his OB/GYN practice
SpecialtiesDoctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.
Doctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.
Obstetrics and Gynecology
Languages spoken
English
Doctor Q&A
61 Answers
0 Agrees
The number of answers this doctor has agreed with.
A 22-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
None: There is essentially no chance of getting HIV from a toilet. The same goes for most other sexually transmitted diseases. Most viruses and bacteria die... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 20-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Tylenol (acetaminophen): Tylenol (acetaminophen) or Acetaminophen is generally considered safe during pregnancy.
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 20-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Not yet: It may not be a yeast infection. See your gyn provider to check for other types of vaginitis. Bacterial vaginosis is another common vaginal issue and ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsReviewed >2 years ago
A 31-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Now: If you were ovulating when you had intercourse three weeks ago and you conceived, a home pregnancy test should be positive now.
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 27-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
See a Doctor: If your cycles are that far apart, there may be a problem with your egg production and this should be evaluated by your gynecologist. If you truly ovu... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 25-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
There are many: There are many things that can cause you to skip periods. The most common (besides pregnancy) are thyroid imbalances, high prolactin levels and menopa... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 40-year-old member asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
OCP efficacay: The best information I have says it does not.
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A member asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Miscarriage or late: It is difficult to know if this is a miscarriage or late period. I suggest a visit with your gynecologist for a blood pregnancy test and further evalu... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 27-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Tampon?: Try inserting a tampon then see if there is blood in the urine or if the blood is on the tampon. If the pain is new, it should be evaluated.
Created for people with ongoing healthcare needs but benefits everyone.
4.5k viewsAnswered >2 years ago
A 20-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Now: Pregnancy test now. It is common for the first cycle off the pill to be a couple of weeks late. If negative, wait a week and take another. If still ne... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsAnswered >2 years ago
A 41-year-old member asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Yes: The vaccine is now approved for young men. As with women, it is best to be vaccinated before any sexual activity.
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 36-year-old member asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Breasts and OCP: All combination hormonal contraceptives can cause an increase in breast size.
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 40-year-old member asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Birth control option: Unless you smoke or suffer from heart disease, you can take hormonal contraception until menopause. If you prefer not to use something every day you m... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 43-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Blood in Stool: The most common test would be for blood in the stool. This can be a sign of colon polyps or cancer. It is also possible to test for certain types of i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.4k viewsReviewed >2 years ago
A 26-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
No harm: When taken correctly, the emergency contraceptive pills usually prevent pregnancy. If you do get pregnant, having used the emergency contraceptive pil... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 32-year-old member asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Every year after 40: The current screening mammography guidelines for low-risk women are for mammography every year after age 40. These guidelines have not changed on many... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 21-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
It causes vomiting: Metronidazole and tinidazole, the most commonly used treatments for bv, cause vomiting when combined with alcohol. Sometimes, the reaction can be quit... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 27-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Yes: These levels look good. If your cycle is regular, things look good for conception.
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsAnswered >2 years ago
A 16-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Maybe: Spotting during pregnancy is called threatened miscarriage. Although spotting often occurs in normal pregnancy, an ultrasound is needed to be sure eve... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsAnswered >2 years ago
A 35-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Count from your LMP: We calculate how far pregnant you are from the first day of your last normal period. You can use a calendar to count this yourself. This calculation a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 46-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
UFE does not remove: A myomectomy is a surgical procedure to remove the fibroids. Ufe (uterine fibroid embolization) does not remove them, it shrinks them. Hysterectomy pe... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 53-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Probably not: The ureters are close to the lower uterus and cervix. Near the kidneys they are much farther from the uterus and therefore less likely to be injured. ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 31-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
No: It is not normal to be 20 days late. Pregnancy must be ruled out. Other causes for late periods include thyroid problems, high prolactin levels and pc... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsAnswered >2 years ago
A 23-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Time to change: It may be time to change to a different pill. Nausea is a common side-effect but usually stops with 3-4 packs. If not, a pill with less estrogen or on... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 29-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Yes: It is generally not harmful to walk up and down the stairs after surgery like a c-section. It may be painful, so try to limit the number of trips. You... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 48-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Side effects?: These may be side effects of the pill. I suggest a blood pressure check to make certain your headache is not due to high bp. If normal, you can discus... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 22-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Tomorrow Morning: Take another test first thing tomorrow morning. Your first urine of the morning is more concentrated and may give you a better result. If still negati... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 18-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Almost 7 weeks: We count pregnancy from the first day of the last period, even though we now know that conception occurs about 2 weeks after the first day of your per... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 16-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Yes: Since your bleeding was not normal, pregnancy is possible. Take a test.
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 43-year-old member asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Yes: Microcalcifications on a mammogram can be a sign of cancer and need follow-up. Magnification mammography can be helpful in evaluating calcifications f... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 48-year-old member asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Additional tests: In most cases, additional mammogram views or an ultrasound of the area or both will be the next step. It is important not to delay follow-up on abnor... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 45-year-old member asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Breathe thru nose: Try taking rapid shallow breaths in and out of your nose while the mold is in your mouth. Do not breathe through your mouth or try to swallow.
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 45-year-old member asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Exam to estimate: The only way to be sure your pelvis is big enough for your baby is to try to push the baby through it at the end of labor. The size can be estimated b... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 35-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Aspiration of cysts: Aspiration of the larger cysts might be a good alternativeto surgery. It may alleviate pain. Avoid caffeine as this often causes beat pain or males i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.1k viewsAnswered >2 years ago
A 37-year-old member asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
HPV: Cervical cancers are almost all caused by human papilloma virus (hpv). This is a sexually transmitted virus. It is very common, infecting over 80% of ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 45-year-old member asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Take within 72 hours: The sooner after the "accident"the better. Start them within 72 hours (3 days). Take them exactly as the package directs and make sure you read all of... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 23-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Yes: Early pregnancy ultrasounds should be very accurate at defining the due date. Of course, due dates are still just estimates. Deliveries usually occur ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 31-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Yes and No: Placental insufficiency usually relates to the third trimester of pregnancy. A placenta that doesn't work well could cause a miscarriage but it would ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsAnswered >2 years ago
A 22-year-old member asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
No: Quitting, however you do it, is better for the baby than continued smoking. Once you quit, don't start again because second-hand smoke is bad for chil... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 20-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
No: A simple urinary tract infection should not delay your period. If you are late for your period, take a pregnancy test and/or see your gynecologist.
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 23-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Need labs: A blood pregnancy test is needed. A pregnancy that is not normal could cause these symptoms and the pregnancy hormone level may not be high enough to ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.4k viewsReviewed >2 years ago
A 25-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
See a Doctor: Drinking 2.5 to 3 glasses of wine a day is a sign of possible alcoholism. I suggest you be evaluated before you get pregnant. Alcohol use in that amou... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 19-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Maybe: It is best to start emergency contraception as soon as possible after unprotected sex. If started within 72 hours, it is highly effective. It may stil... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 20-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Every other day: With a 28 day cycle, the best way to conceive is to have intercourse every other day starting on day 9 or 10 through day 19 or 20. (day one is the fir... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 19-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Yes: Missing moire than one pill in a pack does leave you at risk for pregnancy. If you have not resumed the pill, wait for a period. If your period is not... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 23-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
No: Antibiotics should not affect a normal menstrual cycle. Some antibiotics can interfere or interact with the birth control control pill and could affec... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 24-year-old female asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
You need to see doc: There are many possible causes of sharp pains in the pelvis. Some are not serious but some are. The best approach to pain that or interferes with you... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 37-year-old member asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Prevent conception: Emergency contraceptive pills work by keeping the egg from being released by the ovary or by keeping the sperm and egg from getting together. Current ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 29-year-old member asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Fear is not rational: There are many factors that cause people top fear this vaccine. The truth is that the hpv vaccine is not a new technology. It is the same technology a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 47-year-old member asked:

Dr. Mark Grenitzanswered
Obstetrics and Gynecology 11 years experience
Side effect OCP: Common side effects include: nausea, breast tenderness, headache, abdominal pain, bloating, swelling, weight changes, emotional changes and dark patch... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
TestimonialsRecommendations and Thank you notes are endorsements given from patients or other doctors.
Recommendations and Thank you notes are endorsements given from patients or other doctors.
4
Recommendations
190
Thank you notes
Jan 16, 2013
Dr Grenitz is a wonderful OBGYN!
HealthTap member
Nov 4, 2012
Excellent Doctor. He delivered my son and I was very please with him and the entire office.
HealthTap member
Mar 30, 2015
Dr. Grenitz is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Thank you, your answer was very helpful! Thanks very much I do appreciate your answer and it has certainly help ein making my decision concerning my fibroids problem. Thanks again.
HealthTap member
Thank you, your answer was very helpful! Thnx a bunch, this was very helpful .
HealthTap member
Have seen many doctors who ran test and cant seem to find anything.
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