Dr. Mary Margaret ONeill

Gynecology
Campbell, CA
38 years experience female

About

Specialties
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.

Gynecology

Doctor Q&A

98 Answers
67 Agrees
The number of answers this doctor has agreed with.
A 27-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Probably: If you have a regular monthly menstrual cycle, you are probably ovulating and you can get pregnant. If you have been pregnant, even though it was a m... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 22-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Yes: An active herpes outbreak is only a concern at the time of vaginal delivery. An initial herpes infection would not be good during the pregnancy, but... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old member asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Yes: The breast, even when not lactating, has active ducts and glands. The normal discharge from the breast may accumulate if the nipples are inverted. I... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Yes : Placenta previa is never good news, but the cesarean delivery is easier if we don't need to deliver through the placenta. An anterior placenta previa... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Unlikely: Many women who use Implanon have irregular bleeding or no bleeding. But, if you are concerned, home urine pregnancy tests are very accurate and easy ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Yes: We can do histories and physical exams even if you are on your period.
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Need an exam: Bleeding after intercourse can be caused by many, many things, for instance a polyp, infection, hormone imbalance, or abnormal cells. A simple pelvi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Pregnancy test: Planned parenthood or any crisis pregnancy center can do a urine pregnancy test cheaply and easily. You can also do them at home. It is good that you... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 28-year-old male asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Fallopian tube: Salpingectomy is the removal of a fallopian tube. This is a surgical procedure that can be done via laparoscopy or open surgery. Very rarely would it... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 26-year-old male asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Active pills: Continue taking the active pills, skip the placebo pills of the last week and go directly to the next pack of pills. Adjusting the date of your perio... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 42-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Local tretment: Warm compress try not to poke it, that can worsen the infection. If the infection does not improve in 1-2 weeks, or if it recurs frequently, you mig... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 16-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Probably: If you are planning pregnancy, then you should be taking 1000ug of Folic Acid every day. You don't mention what ind of medicine you are taking to pro... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old male asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Maybe nothing: Periods aren't always perfectly on time, and the amount of flow may vary. Early pregnancy or pregnancy loss are also options- always easy to do a pre... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Usually not: Most women do not notice a weight change on combined oral contraceptive pills. Nausea is the most common side effect and some people eat more when the... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old male asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Possibly: Herpes i can occur both orally and genitally. And it is possible to self transmit the virus from nose to vagina. An exam at the time of vaginal sympt... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old male asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Depends: The impact of a missed pill depends on which week of the pill pack has the missed pill. General rule of thumb, use a second form of contraception for... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Unlikely: The urine pregnancy test may not show positive until 1-2 weeks after the sexual activity. The pregnancy test looks for HCG or human chorionic gonadot... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
New pack: Start a new pack of pills if you miss that many. You should also used a second method of contraception for a few weeks- like condoms and spermicide.
Created for people with ongoing healthcare needs but benefits everyone.
A 26-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Ovulation monitor: Typically, women ovulate 2 weeks (12-16 days) before their period, and can get pregnant if they have sex up to 7 days before ovulation. There are cla... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
No: First, are you taking the pills as prescribed, one every day, no days off, and at the same time of day? Are you on other medicines that might interfer... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Maybe: You might want to make sure you are not anemic, from excess blood loss during your period. If you are otherwise healthy, feel well at other times of ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 24-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Exam: Any pain that persists warrants an exam. There are lots of possibilities, but this is a case where you need someone to examine your abdomen and pelv... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Too many options: This could be normal if the pain is cyclic and pre-menstrual. Or it could be cysts, fibrocystic changes, muscle or rib pain, a poorly fitted bra, just... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old member asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Yes: You can start the pills at any time of your cycle, just make sure you are not pregnant. Bleeding during the first month on pills may still be irregu... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
BTL is forever: If your fallopian tubes were cut, you had a bilateral tubal ligation, then you do not expect them to grow back together. Tubal ligation is a permanen... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
4 hours: You do want to take the pill at approximately the same time every day, but within four hours is probably still ok. Using condoms is not a bad idea in... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 61-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Varies: The vaginal hysterectomy has the fastest recovery, if that was the only procedure done you would be feeling well at 7 days, maybe a little pressure. ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
unlikely, : Home urine pregnancy test will give you the answer. Lots of other reasons for your listed symptoms, including peri-menopause hormone changes.
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old male asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
yes, possible: Sperm are motile. In the right circumstances pregnancy is possible without penetration. Fertile time of cycle, good cervical mucous, vagina lubricated... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 25-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Maybe: Your cycle may be irregular for 1.5 to 2 years after your last Depo Provera (medroxyprogesterone) shot. And some women have regular 21 day cycles- ann... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old member asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Hard to do: Breasts are comprised mostly of fatty tissue and size depends on genetics and weight. The size of your breast, therefore, partially depends on the amo... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 17-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
pregnant: Pregnancy is almost the only reason for a positive pregnancy test, please get checked by a professional. Regardless of your plans, you want to know i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 21-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Probably: Once you have started birth control pills, just take one pill every day, regardless of when you bleed. So, yes, start your new pack of pills at the us... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Possibly: Pregnancy is always a possibility but you may also have irregular cycles. One year of unprotected intercourse without pregnancy is the definition of i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 25-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Many many answers: Polyps, fibroids, hormonal imbalance, pregnancy, vaginal or cervical diseases are just some of the possible reasons for prolonged bleeding. A normal ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Unlikely: Modern pregnancy tests, both blood and urine tests, are vary accurate.
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Pregnancy test: The first step is a pregnancy test, and then a sonogram of the pelvis. Pregnancy is the first diagnosis to consider, but you could also have an ovari... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Exam, labs, sonogram: You should see a gynecologist or a family physician for an evaluation of the source of your pain. You may need blood or urine tests, possibly an ultra... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Maybe: The uterus changes throughout pregnancy. A fibroid may appear as a 'thick' uterine wall, though they are usually distinct on ultrasound. A contractio... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 22-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Yes: Normal daily activity can widen the hymen, but you are still a virgin. Only sexual activity changes that, by definition.
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Yes: If you have a 21 day menstrual cycle and 7 days of flow, then you will ovulate near the end of that flow. Typically, you ovulate 12-16 days before t... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 22-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Yes: The symptoms you describe are not necessarily typical for pregnancy, but your period is late. Pregnancy tests are simple and inexpensive, some crisis... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Maybe: Your body produces hormones during the 2 weeks before your period that are similar to pregnancy hormones. Your breast do swell during those weeks and ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 23-year-old male asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Too many reasons: The regular menstrual cycle needs the brain, ovary and uterus to communicate well. Problems at any level can result in an irregular cycle. A fairly c... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Ovulation?: Usually, if your cycle is 28 days, right after the period flow ends there is very little vaginal discharge, then you may get some white discharge that... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Vulvodynia assocoati: http://learnprovider.nva.org/medical_management_1.htm the national vulvodynia association has a very useful site, including information appropriate... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 21-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
14 d before: Ovulation usually occurs 12-16 days before your next cycle, if you have a regular monthly cycle and you ovulate regularly the calendar is not the mos... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Physician exam: Usually, the menstrual periods will restart one month after the completion of o miscarriage. The first cycle may not be normal, but the next one shou... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
Test: Herpes can have no symptoms or the symptoms may mimic almost any vulvar disease. Group b strep is part of the normal flora of the vagina and is not us... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 22-year-old female asked:
Dr. Mary Margaret ONeill
Gynecology 38 years experience
BTB: Did you miss any pills or take them late? Have you been on other medicines, especially antibiotics? Have you been sick, nausea or diarrhea? Do you hav... Read More
Created for people with ongoing healthcare needs but benefits everyone.

Testimonials
Recommendations and Thank you notes are endorsements given from patients or other doctors.

2
Recommendations
197
Thank you notes
HealthTap member
Mar 30, 2015
Dr. ONeill is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. ONeill is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Thanks for your quick reply! Thanks for your response. I do take it QD at the same time alway. Was on Yaz for about 9 years & switched to LoLo a year ago. No other meds
HealthTap member
Thank you, your answer was very helpful! Thanks so much! Your advice made me act quickly and I have an ultrasound booked for tomorrow.
HealthTap member
Thank you, your answer was very helpful! My thoughts exactly. Thanks for taking the time to help out.

Education & Training

Medical/Graduate school

Creighton University School of Medicine, NE
Graduated 1985MD

Residency

METROPOLITAN HOSPITAL

Awards

Top Gynecologist, First Place, California - Winter
2013
Top Gynecologist, First Place, California - Summer
2013
90,000 U.S. doctors in 147 specialties are here to answer your questions, provide medical advice, write prescriptions, and more.
Answer emailed
in 24 hours or less